How To Repair Error Code C0000135

What Is 0x80004005 Outlook Error?

0x80004005 Outlook is an error that users commonly encounter while attempting to send or receive emails on Outlook.

The message that appears usually states “This message could not be sent. Try sending the message again or contact your network administrator."

The client operation failed. Error is [OX80004005- 0X0004B9-OXOO501].

Error Causes

This error is usually caused by a problem in the Local Area Network or LAN. What actually happens is that signals with the wireless LAN are lost or a connection problem occurs within the network cable.

As a result, the 0x80004005 Outlook error is triggered while sending or receiving an email. Sometimes the problem goes away on its own. However, if it recurs after a few hours, it shows that some problem exists within the network.

Also, it is important to understand that different factors can affect the quality of wireless connections in a network.

For instance, garage door openers, microwave ovens, and Bluetooth devices can easily become obstacles, disrupting the connection and causing the quality to degrade. Other causes are listed below as follows.

• Missing, corrupt, or damaged registry keys
• Existence of viruses
• Outdated drivers

It is a must to fix this error otherwise potential risks associate with this error such as permanent damage and blue screens.

Further Information and Manual Repair

There are two ways to fix this error and both are listed below as follows.

• One solution is to disable script blocking in Norton Antivirus. Most users encountering this problem have Norton Antivirus installed on their PCs. To correct this problem, simply turn off the ‘Enable Script Blocking’ feature. However, there is a downside associated with this solution. Enabling script blocking will make your network or computer vulnerable to viruses and malware. That’s why it is not advised to implement this solution.
• The alternative solution is to simply disable the new-mail notification feature offered in Outlook. To disable notifications of any new emails, the steps go as follows. Open Outlook and go to the Tools menu. Here you will come across ‘Options’.Click on it and then select the ‘Preferences’ tab. Here you will find the ‘Email Options’. Click on it and then uncheck the checkbox against the option, ‘Display a notification message when new mail arrives’. Click Ok two times.

Both these workarounds will work. Therefore, it is advised that you employ any one of them as per your needs.

Fooriza is a browser extension for Google Chrome. This extension offers users the latest trending news from the internet. These news widgets are usually sponsored content that the application displays based on your search history or visited links. While this extension is not that dangerous on its own, it usually comes bundled with other Potentially Unwanted Programs and Browser Hijackers that could pose a security risk.

When installed this extension changes your default search engine to yahoo. And while active you might see some additional ads injected into the search results. Due to its bundled nature with other PUP-s and the potential dangers that might come with them, several anti-virus scanners have detected this extension as a Browser Hijacker and are marked for removal.

About Browser Hijackers

Browser hijackers (also called hijackware) are a kind of malware that alters internet browser configurations without the user’s knowledge or consent. These kinds of hijacks appear to be increasing at a worrying rate around the world, and it could be really nefarious and often dangerous too. They’re made to interfere with browser functions for many different purposes. In general, hijackers are programmed for the benefit of internet hackers often through revenue generation from forced advert clicks and site visits. However, it isn’t that harmless. Your internet safety is compromised and it is extremely irritating. Additionally, hijackers can make the whole infected system vulnerable – other destructive malware and viruses would seize these opportunities to get into your PC effortlessly.

Indications of browser hijack

Signs that your web browser is hi-jacked include: 1. your browser’s home page is suddenly different 2. you find yourself constantly directed to a different web page than the one you actually intended 3. default web engine is changed 4. you’re getting new toolbars you haven’t seen before 5. you may find numerous pop-up ads on your computer screen 6. your web browser gets sluggish, buggy, and crashes frequently 7. you are blocked to access those sites of anti-malware solution providers.

Exactly how browser hijacker finds its way to your computer

Browser hijackers infect computer systems in numerous ways, including via a file-share, a drive-by download, or an infected e-mail attachment. They are usually included with toolbars, BHO, add-ons, plug-ins, or browser extensions. Also, some freeware and shareware can put the hijacker in your PC through “bundling”. Some of the most well-known hijackers are Fooriza, Babylon Toolbar, Conduit Search, OneWebSearch, Sweet Page, and CoolWebSearch. Browser hijacking could lead to serious privacy issues and even identity theft, disrupt your web browsing experience by taking control over outbound traffic, drastically slows down your personal computer by consuming lots of resources, and cause system instability also.

Browser Hijacker Malware – Removal

Some hijackers can be simply removed by deleting the freeware they came with or by deleting any add-ons you have recently added to your system. At times, it can be a challenging task to discover and remove the malicious program since the associated file will be running as part of the operating system process. You should think of carrying out manual repairs only if you happen to be a tech-savvy person since there are potential risks associated with messing around with the computer registry and HOSTS file. Installing and running antivirus software on the affected system can automatically erase browser hijackers and other malicious applications. SafeBytes Anti-Malware detects all kinds of hijackers – such as Fooriza – and eliminates every trace quickly and efficiently.

What To Do If You Cannot Install Safebytes Anti-Malware?

Every malware is bad and the degree of the damage will vary greatly with regards to the type of infection. Some malware is designed to interfere with or prevent things that you wish to do on your personal computer. It may not allow you to download anything from the internet or prevent you from accessing some or all of the websites, in particular the antivirus websites. If you are reading this, you probably have infected by malware that prevents you from installing a computer security application like Safebytes Anti-Malware. There are a few actions you can take to get around this problem.

Get rid of malware in Safe Mode

If the malware is set to load at Windows start-up, then booting in Safe Mode should avoid it. Just minimal required programs and services are loaded when you boot your PC in Safe Mode. The following are the steps you should follow to eliminate malware in Safemode. 1) At power on, press the F8 key while the Windows splash screen starts to load. This will bring up the Advanced Boot Options menu. 2) Choose Safe Mode with Networking with arrow keys and press Enter. 3) When you are into this mode, you should have access to the internet again. Now, obtain the malware removal program you need by using the internet browser. To install the software, follow the guidelines within the installation wizard. 4) Once the software is installed, allow the diagnostic scan to run to eliminate viruses and other malware automatically.

Use an alternate web browser to download the anti-malware application

Some malware might target vulnerabilities of a specific web browser that block the downloading process. The ideal way to overcome this problem is to select an internet browser that is known for its security measures. Firefox contains built-in Malware and Phishing Protection to help keep you secure online.

Run anti-malware from your USB drive

Another option is to make a portable anti-malware program on your USB stick. Do these simple actions to clean up your affected PC using a portable antivirus. 1) On a clean PC, install Safebytes Anti-Malware. 2) Put the USB drive into the clean PC. 3) Double-click the executable file to run the installation wizard. 4) When asked, choose the location of the USB drive as the place in which you would like to put the software files. Follow the instructions on the computer screen to finish off the installation process. 5) Disconnect the USB drive. You may now use this portable anti-virus on the affected computer. 6) Double-click the antivirus program EXE file on the pen drive. 7) Press the “Scan” button to run a full system scan and remove malware automatically.

How SafeBytes Anti-Malware Keep your Machine Virus Free

Nowadays, an anti-malware program can protect your PC from different types of internet threats. But how to decide on the best one amongst plenty of malware protection application that’s available out there? As you might be aware, there are many anti-malware companies and tools for you to consider. A few of them do a good job in removing malware threats while many will ruin your computer by themselves. When searching for an antimalware program, purchase one that gives dependable, efficient, and complete protection against all known viruses and malware. Among few good applications, SafeBytes Anti-Malware is the highly recommended program for the security-conscious individual. SafeBytes anti-malware is a very effective and easy-to-use protection tool that is designed for end-users of all levels of IT literacy. With its cutting-edge technology, this application will assist you to get rid of several types of malware including computer viruses, trojans, PUPs, worms, adware, ransomware, and browser hijackers.

SafeBytes anti-malware takes computer protection to a whole new level with its enhanced features. These are some of the great features included in the software.

Active Protection: SafeBytes provides real-time active checking and protection against all known computer viruses and malware. This utility will constantly monitor your PC for any suspicious activity and updates itself regularly to keep abreast of the latest threats. Robust, Anti-malware Protection: Using its advanced and sophisticated algorithm, this malware elimination tool can detect and remove the malware threats hiding in the computer system effectively. Extremely Speed Scanning: This application has got one of the fastest and most efficient virus scanning engines in the industry. The scans are highly accurate and take a short amount of time to complete. Web Filtering: SafeBytes checks the links present on a web page for possible threats and alerts you whether the website is safe to explore or not, through its unique safety rating system. Light-weight: SafeBytes gives total protection from online threats at a fraction of the CPU load because of its enhanced detection engine and algorithms. 24/7 Assistance: You may get high levels of support round the clock if you’re using their paid software. All in all, SafeBytes Anti-Malware is a solid program as it has lots of features and can identify and remove any potential threats. You now may understand that this particular software does more than just scan and delete threats on your computer. So if you’re trying to find a comprehensive antivirus program that’s still simple enough to use, SafeBytes Anti-Malware is just what you need!

Technical Details and Manual Removal (Advanced Users)

If you want to perform the removal of Fooriza manually rather than employing an automated software tool, you may follow these steps: Go to the Windows Control Panel, click the “Add or Remove Programs” and there, choose the offending program to remove. In case of suspicious versions of browser plug-ins, you can easily remove them through your web browser’s extension manager. It is also advised to factory reset your browser to its default condition to fix corrupt settings. Finally, examine your hard disk for all of the following and clean your computer registry manually to remove leftover application entries following uninstalls. Please note that only experienced computer users should try to manually edit the system files mainly because deleting any single vital registry entry leads to a major problem or even a computer crash. Moreover, some malware keeps replicating which makes it tough to remove. Doing this malware-removal process in Safe Mode is recommended.

If your Windows PC encounters an error, it will display a Blue Screen of Death or BSOD error which usually comes up for a fraction of second and creates some logs or Dumps Files as what other user prefers to call it and then boots your PC suddenly. This process usually takes place quickly that most users find it hard to get the error code and won’t probably be able to check what really went wrong with their PCs. This is where the dump files come in. They are stored internally in your computer and can only be accessed by an administrator. They are classified into 4 main types and in Windows 10 they are either:

1. Complete Memory Dump
2. Kernel Memory Dump
3. Small Memory Dump (256 KB)
4. Active Memory Dumps

Dump Files are useful as they could help you in resolving the problem and so you need to configure your Windows 10 PC to create them but first, you need to make a system restore point. This is essential as you are about to modify some system files as well as critical Windows 10 settings. There are two ways you can create Dump files – first is by modifying the settings in the Startup and Recovery and lastly is via the WMIC command line. Refer to the instructions prepared below to be guided on how you can create Dump files after any BSOD error using these options.

Option 1 – via Startup and Recovery

• Type in “control panel” in the Cortana Search box and then click on Control Panel from the search results to open it.
• After opening Control Panel, you need to make sure that you view the contents by their Category then click on the header link which is labeled “System and Security” or you could also right-click on the This PC icon and then click on Properties.
• Next, select the Advanced system settings from the left panel. Once you do, a new and small window will pop up.
• Under the newly opened window, look for the section called Startup and Recovery and then click on the Settings button.
• And from the System Failure section, you can choose any option from the drop-down for Write debugging information such as:
  • None – this means that there is no dump file created by Windows
  • Small Memory Dump – this means that Windows will create a Minidump file on BSOD
  • Complete Memory Dump – this means that Windows will create a Complete Memory Dump file on BSOD
  • Automatic Memory Dump – this means that Windows will create an Automatic Memory Dump file on BSOD
  • Active Memory Dump – this means that Windows will create an Active Memory Dump file on BSOD

Note: The complete dump needs a page file that is allowed to be the size of the physical memory installed in your PC with a dedicated 1 MB of space for just the page header.

• Now once you have selected the most suitable option for you, just click on OK/Apply and then exit.
• Restart your PC to successfully apply the changes made.

Option 2 – via the WMIC command line

• The first thing you need to do to create Dump files via the WMIC command line is to tap the Win + X keys combination or simply right-click on the Start button and then select the Command Prompt (Admin) option. You could also type in “cmd” in the Cortana search box and then right-click on Command Prompt from the results and select Run as administrator.
• After that, type in any of the commands given below depending on your preferences so that your Windows 10 PC will be configured to create Dump Files:
  • No dump file: wmic RECOVEROS set DebugInfoType = 0
  • Small Memory Dump: wmic RECOVEROS set DebugInfoType = 3
  • Kernel Memory Dump: wmic RECOVEROS set DebugInfoType = 2
  • Complete Memory Dump: wmic RECOVEROS set DebugInfoType = 1
  • Automatic Memory Dump: wmic RECOVEROS set DebugInfoType = 7
  • Active Memory Dump: wmic RECOVEROS set DebugInfoType = 1

Note: A complete dump has to have a Page file which is allowed to be the size of the physical memory installed on your PC accompanied by a 1 MB space for just the page header.

• Now type in “exit” in the Command Prompt to exit it.
• Restart your PC to apply the changes made successfully.

Where all have been there, we are downloading something and for any kind of reason chrome closes, internet breaks, etc. And our download is interrupted and gone forever, and we need to start again. You will be glad to hear that chrome has side a download manager which tracks each download you made and you can use this manager to resume interrupted downloads. Please note that some websites have certain scripts that will prevent you to resume interrupted downloads, in this case, using chrome's download manager will not work and you will have to start the download again. All of this being said, if your download has been interrupted, and went away, pin Chrome press CTRL + J to open download manager, find your interrupted download, and press the resume button. That's it, you have successfully resumed your download.

If you receive an error message saying, “The proxy server is refusing connections” while trying to open a website on your Google Chrome or Mozilla Firefox browser in Windows 10, then read on as this post will guide you in fixing this error. This kind of error occurs when you have a wrong or dead proxy configuration or when you are using some VPN service. However, this kind of error could also mean that your computer might be infected by malware which caused some changes in the internal settings. Whatever triggered the error, here are some suggestions that could help in fixing it.

Option 1 – Check the proxy settings in your browser

Like other browsers, Firefox allows users to set up proxy in several ways. However, if you’ve made any changes recently which might have caused the error, the first thing you can do is to check the proxy settings in your Firefox browser. Follow the steps below to do so.

• • Open the browser and go to Menu and then click Options.
  • After that, go to the General tab and scroll down and click the Settings button under Network Settings.

• From there, make sure that the Use system proxy settings option is set. If not, you have to enable No proxy and then save the changes made.
• Now check if the “The proxy server is refusing connections” error is fixed or not.

Note: If you want to use a proxy in Firefox, you have to select the Manual proxy configuration and set it up properly. And if your network has a proxy setting and you want to grab that, you have to opt for the Auto-detect proxy settings for this network option.

Option 2 – Try disabling the proxy server for your LAN

If your PC was just attacked by some adware or malware as of late, it is possible that it has changed the network settings in the system and might display spam advertisements. Thus, you have to disable the proxy server for your LAN. To do that, refer to these steps:

• Tap the Win + R keys to open the Run dialog box.
• Then type “inetcpl.cpl” in the field and hit Enter to pull up the Internet Properties.
• After that, go to the Connections tab and select the LAN settings.
• From there. Uncheck the “Use a Proxy Server” option for your LAN and then make sure that the “Automatically detect settings” option is checked.
• Now click the OK and the Apply buttons.
• Restart your PC.

Note: If you are using a third-party proxy service, you have to disable it.

Option 3 – Try disabling the manual proxy setup from Settings

In case you miss it, there is actually an option in the Settings panel that you can use to set up a proxy in your Windows 10 computer. So if you encounter the “The proxy server is refusing connections” error, you should disable manual proxy for the meantime and check if it fixed the error or not.

• Tap the Win + I keys to open the Windows Settings.
• Then go to Network & Internet > Proxy.
• And on your right-hand side, ensure that the Automatically detect settings are enabled and that the Use a proxy server option under the Manual proxy setup is disabled.
• Now try to open any website again and see if the problem’s fixed.

Option 4 – Check your VPN

If you are using a VPN application, there are times when it causes some issues like this error. If that’s the case, you can try to disable your VPN temporarily and see if the error is resolved or not and if turns out that your VPN is the culprit, you have to uninstall it and install a new one or its latest version. To uninstall it, follow the steps below.

• Tap the Win + R keys to open the Run dialog box
• Then type “appwiz.cpl” in the field and hit Enter to open the Programs and Features in Control Panel.
• From there, look for the VPN service you are using, select it and then click on Uninstall to remove it.
• After that, restart your computer and try to install the latest version of the program again. It should work now. If not, proceed to the next available option below.

Option 5 – Clear your browser’s internet cache

You actually have the option to Hard Refresh in order to clear the cache of your browser either pressing key combination Ctrl +F5.

Option 6 – Try scanning your computer using Windows Defender

As mentioned, the “The proxy server is refusing connections” might be caused by some malware in the system and so to eliminate the malware, you have to scan your computer using security programs 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.

Resize icons on desktop in Windows 10 in a matter of seconds! Hello everyone and welcome to today's quick tip. If you have ever been dissatisfied with icon size on your desktop and any of the default sizes like small, medium large, etc have not been appropriate know that there is a quick way to resize icons on your desktop in between sizes. All that you have to do in order to use this built-in feature is: Press and hold CTRL and scroll with the mouse. That's it! Find your appropriate size for icons and enjoy.

Sticky Notes is one of the useful programs and in the early days, the option is available for users to change the font size of the text a lot easier. However, for some unknown reason, Microsoft decided to get rid of this feature in the latest Windows Update. One would expect that the feature will be replaced by an even more useful feature but it’s not which makes the Sticky Notes app worse than before. Worry not though for it doesn’t have to stay that way as there is another thing you can try to change the font size in your Sticky Notes app and that’s what we’re going to cover in this post. As mentioned, Microsoft removing this font feature is quite strange and in the past, users asked for this feature and since it’s no longer available, you can try following the steps given below to bring it back. And for that, you need to go to the Ease of Access section in the Settings app. Refer to the steps given below for more instructions. Step 1: First, tap the Win + I keys to open Settings and then go to the Ease of Access section. Step 2: After going to the Ease of Access menu and select Display from the list of options. Step 3: From there, you should see an option that says “Make text bigger”. And then use your mouse to navigate to the slider to change the size of the font. Note: Take note that after doing all the steps above, it will change not just the Sticky Notes app but also everything in Windows 10. This method is actually the best since it only changes the size of the apps rather than a wholesale change in your Windows 10 computer. Step 4: Next, scroll under Display until you see the “Change the size of apps and text on the main display” option where you’ll see that the option is 100% but you’ll want to change that to 125%. Step 5: After that, click on the drop-down menu and select 125% and then restart your Windows 10 computer. Step 6: Now open the Sticky Notes app and check if you can now change the font size in the Sticky Notes app.

Every time a new drive or any storage device is connected to a Windows 10 computer, the operating system tends to allot a drive letter to it automatically. Not only that, as the OS also maps the location of the drive which helps it point the letter to the exact port location of the drive and serve requests from the user. As a result, it builds up a bit of cache as per the pattern in which the user uses the storage of the computer. This whole process is known as “Auto Mounting” which works for hard disks or optical drive readers that are connected using the SATA ports and even for USB drives that are connected using the USB ports. There are several ways you can enable or disable the Auto-Mount feature in Windows 10. You can do it using the MountVol tool or the Registry Editor or the Diskpart utility. Before you proceed, it is recommended that you create a System Restore point first so that you can always undo the changes you made in case anything goes wrong.

Option 1 – Enable or disable Auto Mounting via MountVol tool

In this option, you will be using the mountvol command in the Command Prompt. Refer to the steps below.

• Tap the Wins key once and type in “command prompt” in the field.
• From the search results, right-click on Command Prompt and select the “Run as administrator” option to run it with admin privileges.
• Next, type the following command and tap Enter to enable the Auto Mount feature:

mountvol /E

• On the other hand, if you want to disable the Auto Mount feature, type the following command instead:

mountvol /N

• After that, type the command below to remove all the previously assigned drive letters:

mountvol /R

• Finally, restart your computer.

Option 2 – Enable or disable Auto Mounting via Registry Editor

• Tap the Win + R keys to open the Run dialog box.
• Then type “Regedit” in the field and tap Enter to open the Registry Editor.
• After that, navigate to this registry key: ComputerHKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesmountmgr
• Next, look for a DWORD named “NoAutoMount”. If you can’t find a DWORD with that name then simply create a new DWORD with the same name and make sure that the base is selected to Hexadecimal.
• Now double click on that DWORD and change its value to 0 if you want to enable it, otherwise, input 1 as its value to disable it.
• Restart your computer.

Option 3 – Enable or disable Auto Mounting via Diskpart utility

• Tap the Wins key once and type in “command prompt” in the field.
• From the search results, right-click on Command Prompt and select the “Run as administrator” option to run it with admin privileges.
• After opening Command Prompt as admin, type the following command and hit Enter to launch the Diskpart utility:

diskpart

• After that, a User Account Control prompt will appear. Just click on the Yes button.
• Next, type the following command and hit Enter:

automount

• Following the command you entered, you will an output that either says, “Automatic mounting of new volumes enabled” or “Automatic mounting of new volumes disabled” which means you can use it to check the status of Auto Mount.
• Now if you want to enable the Auto Mount feature, type the following command and tap Enter:

automount enable

• And if you want to disable the Auto Mount feature, just enter the following command:

automount disable

• To remove all the assigned letter and history of drives that were connected previously, type the following command:

automount scrub

• Finally, restart your computer.

When Windows 11 update is available but you do not wish to restart right away because you are in the middle of using a computer, you can schedule a restart for up to 7 days. It is very easy and we will show you how to do it.

1. Press ⊞ WINDOWS + I to open settings
2. Click on Windows Update
3. At the top, under the Restart required to click on Schedule the Restart
4. Click the switch under Schedule a Time to turn it ON
5. Use the Pick a Time and Pick a Day menu to set time and day when you want to update
6. Go back to one screen and visually confirm that the date is set
7. Close the settings

The scheduled restart will be confirmed in a message on the Windows Update page.

Windows Update Error 0x80071a91, what it is? As you know, Windows Updates are very essential to the operating system since they push with them the important security updates that are crucial to the system. And if a Windows Update is delayed, it can the system vulnerable to potential threats. Thus, this kind of issue must be resolved right away. One of the errors that you can encounter while updating your computer is the Windows Update Error 0x80071a91. The error code 0x80071a91 occurs when the “Transaction support within the specified file system resource manager is not started or was shut down due to an error”. This happens when a service called “File System Resource Manager” or FSRM does not function due to some reason. To fix the Windows Update Error 0x80071a91, here are some suggestions that could help.

Option 1 – Run the Windows Update Troubleshooter

Running the built-in Windows Update troubleshooter could also help you resolve the Windows Update Error 0x80071a91. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

Option 2 – Disable the antivirus program temporarily

There are times when the antivirus program installed in your computer blocks file access and even disk access. Thus, disabling the antivirus program or any security software installed in your computer is always a good idea you can try when the Windows Update process does not go smoothly. So before you try updating your computer again, make sure to disable the antivirus or security program and once the Windows Update is done, don’t forget to enable the antivirus program back again.

Option 3 – Try resetting the File System Resource Manager

As pointed out earlier, the error 0x80071a91 pops up when the FSRM service suddenly stops working and so resetting this service via Command Prompt might resolve the problem. To do so, follow the steps below.

• In the Windows Search box, type “command prompt” and hit Enter.
• Then right-click on Command Prompt from the related search results and click the “Run as administrator” option.
• After opening Command Prompt as admin, type the following command and hit Enter:

resource setautoreset true C:

• After that, exit Command Prompt and restart your computer and then check if the problem’s fixed by running Windows Update again.

Option 4 – Flush the contents of the SoftwareDistribution folder

You have to stop a couple of services such as BITS, Cryptographic, MSI Installer, and Windows Update Services. And to do that, you need to flush the contents in the SoftwareDistribution folder. The Software Distribution folder in the Windows operating system is a folder that can be found in the Windows directory and is used to store files temporarily which might be required to install the Windows Update on your PC. Thus, it is required by the Windows Update and maintained by WUAgent. Aside from that, it also contains all the Windows Update History files and once you delete them, you will most likely lose the Update history. As a result, the next time you run the Windows Update, it may result in a longer detection time.

• Open the WinX Menu.
• From there, open Command Prompt as admin.
• Then type in the following command – don’t forget to hit Enter right after typing each one of them.

net stop wuauserv net start cryptSvc net start bits net start msiserver

• After entering these commands, it will stop the Windows Update Service, Background Intelligent Transfer Service (BITS), Cryptographic, and the MSI Installer
• Next, go to the C:/Windows/SoftwareDistribution folder and get rid of all the folders and files thereby tapping the Ctrl + A keys to select them all and then click on Delete. Note that if the files are in use, you won’t be able to delete them.
• Once all the contents in the Software Distribution folder are deleted, restart your PC and then go back to Command Prompt and input the following commands again.

net start wuauserv net start bits

Option 5 – Delete the Common Log File System transaction logs

You might also want to delete the Common Log File System or CLFS transaction logs to fix the Windows Update Error 0x80071a91.

• Open an elevated Command Prompt.
• Then type each of the commands listed below and press Enter after you type each one of them.
  • cd /d %SystemRoot%System32SMIStoreMachine
  • attrib -s -h *
  • del *.blf
  • del *.regtrans-ms
• After you’ve executed the commands given above, restart your computer and try to update Windows 10 again.