My device used to work, but now it doesn’t

Error 0x8000ffff prevents you from using the Microsoft store. Altho it is not a critical error that will break Windows, it is annoying enough that will require fixing so we can use the store once again and install apps when we want to. Interesting thing is that this error was present inside Windows 10 as well causing some annoyance, you think Microsoft would learn, and then you see reality. Anyway, we have not come here to bash Microsoft, we came to solve errors. So there are several problems that can cause this error like issues with accessing the Microsoft servers, corrupt system files, settings being misconfigured, malware infections, or conflicting applications. We will cover all solutions for each scenario taking approaches from most simple solutions to more complex ones. Follow the guide and let's fix this annoyance.

Wait for Microsoft's servers to become accessible

Yes, just wait. If the problem is tied to Microsoft servers having heavy load or being temporarily down there is not much you can do except for their tech team to resolve the issue. Go to Twitter or Facebook and check the Microsoft page to see if anyone else has this issue, if several people are reporting the same error then it is due to server problems. In this case, the only thing you can do is to wait.

Run troubleshooter

If servers are working fine then the issue is within your system so let's get down to fixing. Most simple and easiest solution is to let Windows try and resolve the problem by itself. We will use troubleshooter for this, Windows's integrated fixing solution: Press ⊞ WINDOWS + I to open the settings app Click on System in the left panel, then on Troubleshoot on the right Click on Other troubleshooters In most Frequent section find Windows Update and click on the Run button Wait for the troubleshooter to finish and follow on-screen instructions

Clear Store cache

If the troubleshooter has not found the issue or was unable to repair it, the next step is cleaning the Microsoft store cache in order to eliminate corrupted or partial cache files. Press ⊞ WINDOWS + R to open the run dialog In run dialog type in: wsreset and press OK or press ENTER A black screen will appear and it will not give any kind of feedback about progress, so it might seem like Windows has frozen, but do not panic nor try to do anything, this kind of behavior is normal, just wait for the process to finish and once it is done Microsoft store will launch with the cleared cache.

Disable Proxy

Proxy setting can interfere with establishing a connection to the store servers and if previous solutions have not worked we will check proxy next. Press ⊞ WINDOWS + R to open the run dialog Inside run dialog type: inetcpl.cpl and hit ENTER or press OK button Inside Internet Properties click on the Connections tab and then on LAN settings Uncheck the box next to Use a proxy server for your LAN and click on OK

Turn off antivirus

If nothing worked so far, turn off your anti-virus software, there is a slight possibility that your antivirus is misconfigured or preventing the system from accessing the store. Turn off antivirus and firewall to make sure that this is not an issue.

Delete the software distribution folder

So, we have tried a lot of things, and the error still persists? Let's then go to the next step and delete the software distribution folder in order to be remade new so we can eliminate corruption in the folder itself. To do this follow the guide: Press ⊞ WINDOWS + S to open the search menu Inside search type in Windows terminal, right-click on the terminal and click on Run as administrator. Confirm with YES on UAC prompt pop up Inside terminal press CTRL + SHIFT + 2 to open command prompt inside command prompt type in: net stop wuauserv and press ENTER Then type in: net stop bits followed with ENTER Next press ⊞ WINDOWS + R to open the run dialog Inside run dialog type in C:\Windows\SoftwareDistribution and press the OK button or ENTER File Explorer will open and you will find yourself inside SoftwareDistribution folder. Press CTRL + A to select all files inside Press on the delete icon or press DEL, confirm with YES Once all files are deleted, the system will redownload new ones.

Enable Cryptographic service

Windows 11 has come with a cryptographic service that aims to make your computer more secure but if the service is turned off it can be the cause of 0x8000ffff error. In order to turn this service back ON, follow the guide: Press ⊞ WINDOWS + R to open the run dialog In run dialog type in services.msc and press ENTER or click on the OK button In the list find Cryptographic Services and double click on it Inside properties click on Startup type dropdown menu and select Automatic from the list Click on the Start button to run service and then on the OK button to save the changes

Run SFC scan

SFC is an internal Windows tool for fixing corrupt system files, application will scan all system files and repair ones that are corrupted. To run an SFC scan do the following: Press ⊞ WINDOWS + S to open the search menu Inside search type in Windows terminal, right-click on the terminal and click on Run as administrator. Confirm with YES on UAC prompt pop up Inside terminal press CTRL + SHIFT + 2 to open command prompt inside command prompt type in: SFC /scannow and press ENTER Wait for the whole process to finish and reboot your system

Run DISM scan

Similar to SFC, DISM scan will scan your system Windows image and if required it will repair it. Press ⊞ WINDOWS + S to open the search menu Inside search type in Windows terminal, right-click on the terminal and click on Run as administrator. Confirm with YES on UAC prompt pop up Inside terminal press CTRL + SHIFT + 2 to open command prompt inside command prompt type in: DISM /Online /Cleanup-Image /RestoreHealth and press ENTER Wait for the whole process to finish and restart your computer

Error 550 - What is it?

Error 550 is an SMTP (Simple Mail Transfer Protocol) outgoing server error code. It usually occurs when you try to send emails through your Outlook account and the email message encounters a relay error. The email returns back without being delivered with a 550 error message. The error message is prompted as either of the following:

"550 Requested action not taken: mailbox unavailable" "550 5 2 1 mail from refused spam site"

In other words, the error code 550 means that your SMTP server was not able to deliver the sent email to the user.

Solution

Error Causes

There are multiple reasons for this error message including:

• The email address was typed incorrectly
• Incorrect SMTP Server settings
• ISP placing restrictions for outgoing mails on the email server
• System infected by virus or malware

Further Information and Manual Repair Regardless of what the reason may be for the error 550 code occurrence, it is advisable to repair and fix the issue quickly to avoid inconvenience. You may not be able to send emails from your Outlook account if the error continues. This can cause great hassle in corresponding with others timely and may create a big communication gap. Here are some quick and efficient ways to resolve this issue on your system:

Solution 1:

There is no need to panic when you encounter error 550. Sometimes the error message may occur because you inserted the wrong/ incorrect email address of the recipient. In such a case, cross-check the recipient’s email address to verify if it is correct. If not, insert the correct address and try sending the email again.

Solution 2:

If the error still persists, try other methods to resolve it. Sometimes error 550 can also occur due to incorrect SMTP settings. Fix it to resolve the error. This can be done by opening your Outlook settings Tools and Accounts option. Now go to view/change the email account for the email account you are having problems with. After that check, the SMTP server is set to mail.yourdomain.com. Then click more settings and then click the outgoing server tab. See if the ‘My server requires authentication for the outgoing server’ is checked. If not, then check on it. Then simply save to confirm changes. Now try emailing again. Hopefully, this will resolve the issue.

Solution 3:

Another reason for the error occurrence can be ISP blockage. When the junk email volumes increase, network administrators (the people who are responsible for managing ISP servers) place restrictions on SMTP email servers to prevent spam on their network. If this is the reason, contact your ISP administrator to resolve the issue.

Solution 4:

Malware and viral infection can also be the cause for error 550. To remove all kinds of viruses including Trojans and spyware and fix the issue right away without compromising on the speed of your PC it is advisable to download Restoro. This is a highly functional and advanced PC Fixer embedded with multiple utilities like a powerful antivirus and a system optimizer. It scans your entire PC in seconds, detects and removes all kinds of viruses. Simultaneously, the system optimizer feature ensures the speed of your PC does not slow down during the scanning and virus removal process. This feature boosts your PC speed significantly. It is user-friendly and has easy navigations making it quite simple for even those users who are not technically sound to work around it and operate it with ease. It is compatible with all Windows versions. Click here to download Restoro and resolve the error 550 messages today!

If your Windows 10 computer is downloading or installing updates but suddenly an error pops up saying, “GWXUX has stopped working”, read on as this post will show you what you can do to resolve the problem. GWXUX is a process responsible for downloading and installing Windows updates and is installed on your computer via Windows Updates. That particular update is known as “KB3035583”. Through this process, the “Get Windows 10” pop-ups are installed and initiated by Microsoft. This process is also capable of checking the compatibility of your PC to run Windows 10 as well as preparing it for installation. However, this process might also result in excessive usage of Disk and sometimes, CPU. So in this post, you will be guided on how you can fix the issue with the GWXUX. Follow the instructions given below carefully.

Option 1 – Disable GWXUX in the Task Scheduler

You will have to disable the gwxux.exe process to run from the Task Scheduler. Thus, you need to follow the steps below to do so.

• Open the Cortana Search box and then type “task scheduler” in the field.
• Then click on Task Scheduler from the related search results that appear to open it.
• After opening the Task Scheduler, navigate to Microsoft > Windows > Setup > gwx on the left panel from the Task Scheduler Library.
• Once you select the GWX folder, you will see two tasks that are listed under that folder. Select both of these tasks and permanently disable them.
• Restart your computer to apply the changes made and check if the issue is now fixed or not.

Option 2 – Uninstall the KB3035583 Windows Update

• To uninstall the KB3035583 Windows Update, you need to go to Control Panel, and for you to do that, type “control panel” in the Cortana Search box.
• After that, click on Control Panel from the related search results given.
• Once Control Panel is pulled up, search for “View Installed Updates” in the search field from the top right part of the window.
• Next, click on a link labeled, “View Installed Updates” under the Programs and Features menu.
• After clicking the link, you will see the list of all the installed updates in your computer from the Windows Updates.
• Now look for an update named “KB3035583” and select it.
• You should notice the Uninstall button located at the top portion of the sub-menu ribbon as you can see on the snippet below. Click on that button to uninstall the KB3035583 Windows Update.
• After uninstalling the update, make sure to restart your computer to apply the changes made.

Option 3 – Try using the System File Checker

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files that might be causing the error 0x80200056. To run the SFC command, follow the steps given below.

• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

After running the System File Checker, restart your computer and check if the error with the GWXUX.exe file is now fixed or not.

Driver Verifier is a built-in tool in Windows 10 that monitors device drivers on your computer, if it detects issues with drivers, it will attempt to fix the issue. If you are encountering Blue Screen for a Driver and after running Driver Verifier you get another with message DRIVER_VERIFIER_DETECTED_VIOLATION ten follow this article step by step in order to solve it. There is a chance that you will maybe even have to do this in safe mode, if that is your case, login into safe mode and proceed, otherwise proceed normally.

1. Update Device Drivers

   the most common issue with the blue screen is old Drivers, in most cases, graphical drivers, update all Drivers with the latest versions and see if this will resolve the issue.

2. Stop or uninstall Virtualization software

   Virtua machine software is a great way to have a safe environment and to experiment while preserving your Windows installation intact, however sometimes due to the nature of these applications they can be a case for blue screen errors. Stop virtualization software to see if it will remove the issue. If that is the case, try another virtualization application

3. Disable Driver Verifier

   Press ⊞ WINDOWS + X to open the secret menu Click on Command Prompt (admin) Inside command prompt type: verifier and press ENTER Select the Delete existing settings radio button Click Finish Reboot your computer

4. Reset Driver Verifier

   Press ⊞ WINDOWS + X to open the secret menu Click on Command Prompt (admin) Inside command prompt type: verifier /reset and press ENTER Reboot your computer

5. Use system restore

   Rollback Windows to the previous state where everything was working fine.

Disk cleanup is part of Windows 10 tools and it is essential in keeping your computer up and running in optimal settings and to free so much needed space as well as remove temporary files that can accumulate over time. Using disk cleanup from time to time is recommended and a very useful habit that will save you some headaches and optimize your computer running time, speed up boot sequence, etc. Think of it like cleaning up your desk, from time to time it can get too overwhelmed with junk and non-important things and if you are keeping it tidy all the time each time you need to find something it will be much faster and easier, same goes with computers, so if you do not have it, try to develop a habit that once per month you start disk clean up and remove trash from your hard drive. In order to do so, press ⊞ WINDOWS + E to bring File Explorer up Once File Explorer is up and running right-click on the hard drive you wish to run disk cleanup on and click on properties. Properties Windows will open on the general tab, on that tab you have disk cleanup on the lower right part of properties, click on it. Wait for Windows to gather information about your hard drive and files on it. After it is finished you will be greeted with the next screen: Here you can thick and mark which items you would like to get rid of and which ones you would like to keep. Note that you can freely tick all of them and remove them since removing these files will not break WIndows in any way. make your choices and click on ok. You can also click on Clean up system files to run system files cleaner and get rid of junk there, you will not be able to choose any options there, Windows will alone clean up what is not needed. After disk cleanup is finished least thing you will have is more free disk space, but like mentioned, keeping your Windows and computer healthy goes a long way in its usability, speed, and performance.

If you encounter an error message that says, “<Drive>: is not accessible, The File or directory is corrupted and unreadable” when you try to connect your USB or external device, then the File System could have been corrupted or the external device might be infected with malware. On the other hand, it is also possible that the device might have some physical damage. To fix the “The file or directory is corrupted and unreadable” error, you can try to run Check Disk or scan your computer for malware or you could also format the destination drive. For more details, refer to each one of the given options below.

Option 1 – Run the Check Disk utility

You can also run the Check Disk utility to fix the error when you connect your USB or external device.

• In the Windows Search box, type “command prompt” and from the search results, right click on Command Prompt and select “Run as administrator”.
• After opening Command Prompt, type this command and tap Enter: chkdsk <Partition Letter>: /f /r /x /b
• The command you entered will start to check for errors and fix them automatically. Else, it will throw an error message saying, “Chkdsk cannot run because the volume is in use by another process. Would you like the schedule this volume to be checked the next time the system restarts? (Y/N)”.
• Tap the Y key to schedule Disk Check the next time your computer restarts.

Option 2 – Try to format the destination drive

Formatting the drive can also help you resolve the error. To format it, follow these steps:

• To get started formatting your drive, tap the Win + E keys and then go the access page of the drive.
• Next, right click on the drive and select Format.
• After that, uncheck the “Quick Format” option and then format your drive properly.
• Now once the formatting process is finished, unplug the drive and plug it back in afterwards.
• Check if the error is already fixed. If the drive is not initialized, tap the Win + R keys and hit Enter.
• After opening the Run dialog box, type “diskmgmt.msc” and hit Enter to open Disk Management.
• From there, right click on the drive volume and select initialize Disk.
• Next, select the correct partition type and proceed.

Option 3 – Try scanning your computer for malware using Windows Defender Your computer could be infected with malware which might have triggered the “The file or directory is corrupted and unreadable” error. To fix this, you need to scan your computer using a reliable program like Windows Defender.

• Tap the Win + I keys to open Update & Security.
• Then click on the Windows Security option and open Windows Defender Security Center.
• Next, click on Virus & threat protection > Run a new advanced scan.
• Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.

Error Code 0x802400d - What is it?

The Error Code 0x802400d most often occurs when users attempt to use the Windows Update tool on their computers to move from one version of the software to another. In some cases, this error is more likely to appear on your computer during the process if you have not performed regular updates to the software as they have been available.

Common symptoms include:

• Inability to finish the download of the necessary update to Windows 10
• Incomplete installation of the desired Windows 10 update

While it can take additional time to deal with the issues that cause Error Code 0x802400d to appear on your computer, there are several steps that you can take to address the problem. These are fairly simple to perform and do not require advanced knowledge of the system to employ.

Solution

Error Causes

The most basic cause for Error Code 0x802400d is that there is a file or a process that is causing the update process to hiccup. In many cases, this error appears when a user attempts to begin the process of updating their computer if they have several stacked updates to perform. Computers that are several updates behind where they should be will display this error more often than computers that are kept on a schedule of recommended updates.

Further Information and Manual Repair

While there are multiple reasons why the Error Code 0x802400d may appear on your computer during the Windows Update process, there are several methods that can be used to attempt to resolve the problem on your own. These are generally easy to do and do not require advanced techniques. However, if you do not feel comfortable addressing the issue on your own, contact a qualified Windows repair technician.

Here are some of the best methods that users can employ to resolve Error Code 0x802400d:

Method 1:  Run the System Update Readiness Tool

There are a number of different processes, files, and settings that could cause Error Code 0x802400d to appear on your computer during the Windows 10 Update process. For this reason, the most efficient way to determine what the culprit is for your specific issue is to download and use the System Update Readiness function.

This tool is available directly from Windows. Although there are other tools available on the Internet that claim to be able to fix the problem, these can contain viruses and malware, so be cautious if you decide to employ these instead. There are also several versions of the tool on the Windows website, so be sure to download the version that matches the operating system and version of your computer.

Once you have downloaded the Readiness tool from the Windows website, allow it to run a scan on your system. At a minimum, this process will take about fifteen minutes to complete. Although you will see a progress bar at the bottom of the window, it does not always update effectively. Some users have reported that the update appears to stop when it is two-thirds complete. Continue to let the scan run if this happens, rather than canceling it out. Even if the progress bar doesn’t update, the scan is still running.

Method 2: Remove New Software and Re-Attempt the Update Process

If you have recently installed new software on your machine, it can sometimes cause problems with the update process. The best way to resolve this issue is to remove or uninstall the software, run the update process again, and then reinstall the software once the Windows system has been successfully updated.

If the above methods are not successful in resolving Error Code 0x802400d from your machine and you are still unable to complete the Windows 10 Update process or if you are not confident in your ability to complete these steps successfully on your own, get in touch with a qualified computer repair technician who is familiar with the issues surrounding Windows 10 in particular. Microsoft offers certifications for Windows repair technicians, so look for a professional who has the experience, skills, and knowledge necessary to adequately address Error Code 0x802400d on your machine.

If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.

Computers viruses, worms, ransomware, etc. are kinds of malicious software that no user should take lightly. On several occasions, we have touched upon security steps that each user should take in order to protect its identity and data. Sadly sometimes even when all precautions are taken some malware can still slip through and wreak havoc. Today we are looking at some of the worst or the best, depending on your view that has indeed wreaked plenty of havoc.

10 worst computer viruses in history

In the list of the 10 most famous computer viruses below, we show the costs, dates, reach, and other key facts. First a note about terms: we use the words “virus” and “worm” interchangeably because most readers search for them that way. But there’s a subtle difference that we explain after the list.

1. Mydoom – $38 billion

The worst computer virus outbreak in history, Mydoom caused estimated damage of $38 billion in 2004, but its inflation-adjusted cost is actually $52.2 billion. Also known as Novarg, this malware is technically a “worm,” spread by mass emailing. At one point, the Mydoom virus was responsible for 25% of all emails sent. Mydoom scraped addresses from infected machines, then sent copies of itself to those addresses. It also roped those infected machines into a web of computers called a botnet that performed distributed denial of service (DDoS) attacks. These attacks were intended to shut down a target website or server. Mydoom is still around today, generating 1% of all phishing emails. That’s no small feat considering the 3.4 billion phishing emails sent each day. By that figure, Mydoom has taken on a life of its own, infecting enough poorly-protected machines to send 1.2 billion copies of itself per year, 16 years after its creation. Though a $250,000 reward was offered, the developer of this dangerous computer worm was never caught. Wondering what makes the world’s most secure computers so safe? See the Tech@Work guide: Upgrade to the World's Most Secure and Manageable PC

2. Sobig – $30 billion

The 2003 Sobig computer virus is actually another worm. It is second only to the Mydoom virus in its scope. The $30 billion figure is a worldwide total, including Canada, the U.K., the U.S., mainland Europe, and Asia. Several versions of the worm were released in quick succession, named Sobig.A through Sobig.F, with Sobig.F being the most damaging. This cybercriminal program masqueraded as legitimate computer software attached to emails. It disrupted ticketing at Air Canada and interfered with countless other businesses. Despite its widespread damage, the creator of the successful bug was never caught.

3. Klez – $19.8 billion

Klez is a close third on the list of the worst computer viruses ever created. With nearly $20 billion in estimated damages, it infected about 7.2% of all computers in 2001, or 7 million PCs. The Klez worm sent fake emails, spoofed recognized senders and, among other things, attempted to deactivate other viruses. As with other viruses and worms, Klez was released in several variants. It infected files, copied itself, and spread throughout each victim’s network. It hung around for years, with each version more destructive than the last. Windows has come a long way since most of the computer viruses on this list hit the web. Thankfully, built-in protection with Microsoft Defender is always on the watch.

4. ILOVEYOU – $15 billion

The year 2000’s ILOVEYOU virus worked by sending a bogus “love letter” that looked like a harmless text file. Like Mydoom, this attacker sent copies of itself to every email address in the infected machine’s contact list. Shortly after its May 4 release, it had spread to more than 10 million PCs. The virus was created by a college student in the Philippines named Onel de Guzman. Lacking funds, he wrote the virus to steal passwords so he could log into online services he wanted to use for free. He reportedly had no idea how far his creation would spread. This virus is also known as Loveletter. Need to up your remote work security game before there’s another entry on the list of most deadly computer viruses? See our guide: How to Work Remotely and Securely

5. WannaCry – $4 billion

The 2017 WannaCry computer virus is ransomware, a virus that takes over your computer (or cloud files) and holds them hostage. The WannaCry ransomware ripped through computers in 150 countries, causing massive productivity losses as businesses, hospitals, and government organizations that didn’t pay were forced to rebuild systems from scratch. The malware raged like wildfire through 200,000 computers worldwide. It stopped when a 22-year-old security researcher in the U.K. found a way to turn it off. Computers with out-of-date operating systems were hit especially hard. That’s why security experts always recommend updating your systems frequently.

Ransomware strikes again

In September 2020, one of the potentially largest computer virus attacks in medical history hit Universal Health Services. The U.S. hospital chain, which has more than 400 locations, was reportedly struck by damaging ransomware. The attack forced the cancellation of surgeries and made healthcare workers switch to paper records.

6. Zeus – $3 billion

The Zeus computer virus is an online theft tool that hit the web in 2007. A whitepaper by Unisys three years later estimated that it was behind 44% of all banking malware attacks. By then, it had breached 88% of all Fortune 500 companies, 2,500 organizations total, and 76,000 computers in 196 countries. The Zeus botnet was a group of programs that worked together to take over machines for a remote “bot master.” It originated in Eastern Europe and was used to transfer money to secret bank accounts. More than 100 members of the crime ring behind the virus, mostly in the U.S., were arrested in 2010. It’s not as prominent today, but some of the virus’ source code lives on in newer botnet viruses and worms. Zeus caused documented damage of $100 million. But the real cost in terms of lost productivity, removal, and undocumented theft is undoubtedly much higher. A $3 billion estimate, adjusted for inflation, puts this virus at a cost of $3.7 billion in today’s dollars.

7. Code Red – $2.4 billion

First observed in 2001, the Code Red computer virus was yet another worm that penetrated 975,000 hosts. It displayed the words “Hacked by Chinese!” across infected web pages, and it ran entirely in each machine’s memory. In most cases it left no trace in hard drives or other storage. Financial costs are pegged at $2.4 billion. The virus attacked websites of infected computers and delivered a distributed denial of service (DDoS) attack on the U.S. White House’s website, www.whitehouse.gov. In fact, the White House had to change its IP address to defend against Cod Red. Can your printer get a virus? See our cool infographic: The State of Printer Security

8. Slammer – $1.2 billion

The SQL Slammer worm cost an estimated $750 million across 200,000 computer users in 2003. This computer virus randomly selected IP addresses, exploiting vulnerabilities and sending itself on to other machines. It used these victim machines to launch a DDoS attack on several internet hosts, significantly slowing internet traffic. The Slammer worm hit banks in the U.S. and Canada especially hard, taking ATMs offline in many locations. Customers of Toronto’s Imperial Bank of Commerce found themselves unable to access funds. The attack reared its ugly head again in 2016, launching from IP addresses in Ukraine, China, and Mexico.

9. CryptoLocker – $665 million

Thankfully, ransomware attacks like the 2013 CryptoLocker virus have dipped since their 2017 peak. This malware attacked upwards of 250,000 machines by encrypting their files. It displayed a red ransom note informing users that “your important files encryption produced on this computer.” A payment window accompanied the note. The virus’ creators used a worm called the Gameover Zeus botnet to make and send copies of the CryptoLocker virus. According to a report by security firm Sophos, the average ransomware attack costs a business $133,000. If we estimate that CryptoLocker hit 5,000 companies, that would put its total cost at $665 million. Where will cybersecurity go next? See our guide: The Future of Cybersecurity

10. Sasser – $500 million

The Sasser worm was written by a 17-year-old German computer science student named Sven Jaschan. He was arrested at the age of 18 in 2004 after a $250,000 bounty was posted for the computer virus’ creator. A friend of Jaschan’s tipped authorities that the youth had penned not only the Sasser worm but also the damaging Netsky.AC attack. Jaschan was given a suspended sentence after it was found he was a minor when he wrote the malware. The Sasser worm crashed millions of PCs, and though some reports put damages at $18 billion, the relatively low infection rate suggests a more likely cost of $500 million. Other notable viruses The top 10 worst computer viruses above are just the ugly tip of a gargantuan digital iceberg. With a million new malware programs popping up every 3 years, we may miss the forest for a few outstanding trees. Here are just a few more viruses that have wreaked havoc over the years: Mimail: This worm tried to harvest data from infected machines to launch a string of DDoS attacks, but was relatively easy to remove. Yaha: Yet another worm with several variants, thought to be the result of a cyber-war between Pakistan and India. Swen: Written in C++, the Swen computer worm disguised itself to look like a 2003 OS update. Its financial cost has been pegged at $10.4 billion, but not reliably. Storm Worm: This worm showed up in 2007 and attacked millions of computers with an email about approaching bad weather. Tanatos/Bugbear: A 2002 keylogger virus that targeted financial institutions and spread to 150 countries. Sircam: A computer worm from 2001 that used counterfeit emails with the subject line, “I send you this file in order to have your advice.” Explorezip: This worm used fake emails to spread to every machine on thousands of local networks. Melissa: The most dangerous computer virus in 1999, Melissa sent copies of itself that looked like NSFW pics. The U.S. FBI estimated cleanup and repair costs at $80 million. Flashback: A Mac-only virus, Flashback infected over 600,000 Macs in 2012 and even infected Apple’s home base in Cupertino, Calif. In 2020, there’s now more malware on Macs than on PCs. Conficker: This 2009 virus still infects many legacy systems and could do significant damage if it ever activates. Stuxnet: This worm is reported to have destroyed Iranian nuclear centrifuges by sending damaging instructions.

Installing Windows updates, installing a new driver from the manufacturer, or even just installing an application or game can cause sometimes certain components of your computer to stop working properly or introduce issues that were not present just before mentioned installation. Luckily for all of us, Microsoft seems aware of this potential issue and we have the option to roll back an older driver which performed well and had no issues at all. In order to do this first press ⊞ WINDOWS + X to open the hidden start menu and click on Device Manager. From the Device Manager choose the troublesome device and right-click on it, choose properties. Device properties floating Window will appear. Click on the top tab which says, Driver. From the Driver tab, click on Roll Back Driver. Note that if the device is working properly, the Roll Back Driver button will be greyed out and you will not be able to click on it meaning that chosen device is not the issue. If the device is not working properly and you can click on Roll Back driver, do it, choose the previous version, and reboot your computer. You can use this method to get back to the previous driver version for any device that is causing issues in your computer.