How to Remove PUP ExpressFiles Tutorial

As you know, Windows Hello offers you quick access to computers since you can log in to your Windows devices three times faster compared to passwords with the help of the camera via Face recognition and fingerprint reader. This way, Windows Hello will recognize you right away. However, there are also times when you might encounter some problems when using Windows Hello. For one, if you are trying to add the PIN method to Windows Hello on your Windows 10 computer but you suddenly encountered an error code of 0x801c004d or if you are trying to use your existing pin and you encounter an error code of 0x80070490 along with an error message that says, “Not recognized”, then read on as this post will guide you on how you can fix both of these errors. Here is the complete content for both errors:

• “0x801c004d – Unable to enroll a device to use a PIN for login”
• “0x80070490 - Not recognized, Pin and fingerprint are no longer options for signing in”

If you got any of these two errors, there are several potential fixes you can check out to resolve them. You can try to check for any Windows Updates or create the PIN again or check the CNG Key Isolation Service. You could also try to reset the TPM or create a new User Account. For more information, follow the instructions provided below.

Option 1 – Try checking for any available Windows Updates

The first thing you can do is to check for any available Windows Updates. It is possible that your computer may be outdated and is the reason why you’re having troubles with Windows Hello. To check for Windows Updates, just go to Settings and from there, head over to the Update and Security section and click on Windows Updates located on the left pane, and then click on the Check for Updates option. Wait until the process of checking updates is completed and if it finds new updates, install it. After you install the new Windows Updates, check if you can now add the PIN on Windows Hello or not.

Option 2 – Try creating the PIN again

The next thing you can do is to create the PIN again by signing out and signing in again and then try creating the PIN once more. If this does not work, you can try restarting your computer and creating the PIN again. You could also try removing the PIN and then change it.

• Remove the PIN by going to Settings > Accounts > Sign-in options.
• From there, go to the PIN section and click on the Remove button.
• You will be asked to verify your account to proceed in removing the PIN, enter your credentials.
• Restart your computer and then set up a new PIN.
• Once you’re done, restart your computer and check if the error is gone now.

Option 3 – Try checking the CNG Key Isolation Service

The CNG Key Isolation Service is the one that stores and uses long-lived keys in a secure process complying with the common criteria requirements and it is possible that the error could be related to this service. This service is hosted in the LSA processes and provides key process isolation to private keys and associated cryptographic operations as required by the common criteria. Thus, you need to check this service to see if it’s the one that’s causing the error.

• Tap the Win + R keys to open the Run dialog box and type “services.msc” in the field and hit Enter to open the Windows Services Manager.
• Next, locate the “CNG Key Isolation Service” and once you find it, double click on it to open its Properties box.
• After opening its Properties, check its Startup type and select Manual. This is the default setting and if it is Disabled, then it’s no wonder why you’re getting errors with Windows Hello, thus, you need to enable it.
• Once done, restart your computer and check if you can now add the PIN to Windows Hello. If you still get the error, then you might want to try setting the CNG Key Isolation Service from Manual to Automatic and then click on the Start button and see if it fixes the error or not.

Option 4 – Try to reset the Trusted Platform Module or TPM

You might also want to try resetting the Trusted Platform Module or TPM to fix the error. You can do this by opening Windows PowerShell and then executing the “Clear-Tpm” command. After that, check if the error is now resolved.

Option 5 – Try to create a new User Account

You could also try to create a new User Account on your Windows 10 computer to fix the Windows Hello error. Once you have created a new local user or administrator account in Windows 10, check if you are now able to add the PIN from this newly created user account.

If you have a dual monitor setup on your Windows 10 computer and you mostly use the second screen when you are presenting something, this makes the Taskbar completely unnecessary and is not really required. So if you are using your computer generally and do not want the taskbar on your second screen, read on as this post will guide you in disabling Taskbar on your second display. The good thing is, Windows comes with a built-in feature to disable Taskbar on your second screen or projector connected to your computer. In this post, you will be guided on how you can hide or disable the Taskbar from the second monitor in Windows 10. This post is coming in handy especially if you are using projectors or multiple displays. Refer to the steps given below to disable Taskbar on the second display in Windows 10. Step 1: Go to Settings and click on Taskbar from the left menu. Step 2: After that, scroll down to lo look for Multiple Displays. Step 3: Next, turn off the toggle labeled, “Show taskbar on all displays”. Note: After completing the steps given above, it will disable the Taskbar on all the secondary displays. Bear in mind that these settings will work only if you are running a second screen in Extended mode. Contrariwise, if you are in the Duplicate mode, this setting will not work but you can always set your Taskbar to Autohide so that it won’t be displayed.

On the other hand, if you are facing some issues in finding which screen is primary and which one is secondary, refer to these steps:

Step 1: Go to Settings and select System. Step 2: Next, from the left menu open Display. Step 3: From there, select the desired display and make it the primary one as required by your setup.

Error Code 0xc004f210 – What is it?

Error code 0xc004f210 occurs when Windows 8 users fail to activate their Windows operating system. Users will be able to identify error code 0xc004f210 because of the following common symptoms which occur:

• Inability to activate Windows 8 operating system
• Message box with error code 0xc004f210

Solution

Error Causes

If you enter an invalid product key or do not have a digital entitlement for the edition of Windows you are attempting to activate, you may experience error code 0xc004f210. Since this error usually occurs due to these main reasons, you will most likely find success resolving this issue by ensuring you use a valid product key or activate an appropriate edition of Windows based on the edition of your digital entitlement.

Further Information and Manual Repair

Error codes can be resolved through manual repair procedures that seek to fix the underlying issues causing the error. In the case of error code 0xc004f210, you should be able to resolve this error by using the methods below. You may also consider contacting a Windows repair technician if you have difficulty resolving the error code.

Method One: Enter Valid Product Key

To successfully activate your operating system and resolve error code 0xc004f210, you will need to enter a valid product key in the Update & security section of Windows. Follow the instructions below to enter the product key.

• Step one: Click the Start button then select Settings
• Step two: Select Update & security then Activation
• Step three: Click the Change product key
• Step four: Enter a valid product key

If the issue causing error code 0xc004f210 is related to the use of an invalid product key, you should be able to successfully activate your Windows operating system. Should the problem persist, however, you will need to attempt the next manual repair method explained below? Note: Failure to fix this error code might result in other Windows 10 error messages.

Method Two: Ensure Edition of Windows Matches Your Digital Entitlement

Digital entitlement allows Windows users to access activation without using a product key. This digital entitlement only affects Windows 8 users who are attempting to activate versions of Windows 10 that include Windows 10 Pro. Once you are using a genuine copy of Windows 8.1 and your edition of Windows matches your entitlement, you may proceed with the instructions below.

• Step one: Click the Start button then select Settings
• Step two: After selecting Settings, click Update & Security
• Step three: Select Windows Update then the Check for updates tab
• Step four: Click activate Windows 10 update

You should be able to activate your Windows update once you follow the instructions above. Remember error code 0xc004f210 is an activation code related to product keys or your digital entitlement so once these issues are rectified, you should have no problem activating your operating system of choice and enjoying the benefits it offers. If, however, the problem remains unresolved after you have attempted both manual repair methods, there may be unusual issues affecting your system. Contact Microsoft to rectify the issue or get help from a Windows repair technician.

Method Three: Download an Automated Tool

If you wish to always have at your disposal a utility tool to fix these Windows 8 and other related issues when they do arise, download and install a powerful automated tool.

Portable small Bluetooth speakers are nothing new on the market, most of the time they have given the opportunity for music listening during picnics and walks in nature and also replaced some car speaker systems. The latest star in small portable speakers in JBL Clip 4, small in size, waterproof, and with an incredible high-quality sound.

Performance and quality

Out of the box and after first look speaker looks great, it has excellent design and is very intuitive to work with. Everything is laid out logically and you can start using it right away without reading instructions.

The sound quality is surprisingly very good and clear. I must say I have not expected this clarity and power from a speaker of this size. The volume range is also incredibly good and will fill most needs even on small picnics outdoors where you can hear it loud enough. One thing to mention is that even on their loudness levels sound is still clear without distortion which, to be honest, is to be expected from someone like JBL.

Where you can take JBL Clip 4

You can take it where ever you want, Its size and clip make it perfect for beach and pool trips. Speaker is waterproof and gas IP67 rating, meaning that sand and dirt will not affect it either. Do not take this speaker to your diving adventures since that will break it but a depth around 1 meter underwater should be safe. After your trip do not forget to wash Clip 4 with clean water so all dirt, salt, and other stuff are properly cleaned for longer life of the device.

How long it will play?

JBL claims that the battery will last 10 hours of continuous play. Note that this is meant probably on the largest volume setting so when you use it on lower settings battery is lasting longer. Playing of course on low volumes will extend playback time even longer but here we come at one feature that I do not like, there is no indication of any kind how much battery is left in the speaker, the only indication is a red light when the battery is almost empty which means you could be outside at that point and did not know that low battery was there in the first place when you were packing. Some battery indication would be a great addon.

More stability for JBL Clip 4

The clip itself has been improved from the previous Clip 3 model, it is wider, it goes all the way around the casing, and feels overall better and more stable. Since the clip is now all around casing this means a wider opening can be made making it fit around stuff Clip 3 was not able to.

Conclusion

All in all, Clip 4 is an incredible speaker and one that would highly recommend, the price goes around 79 USD but it can be found even as low as 50 USD on discounts and promotions and if you manage to get one at that price it is a great buy. Sound is good, portability is great, dirt and waterproof are excellent and battery life is really good.

Referenced Memory at - What is it?

0x Referenced Memory at 0x is an error code that occurs when the random memory addresses conflict. This error causes running programs or browsers to crash. Referenced memory at error code is considered as a service violation error. It is displayed as the following:

“The instruction at 0xf77041d24 referenced memory at 0×00000000. The memory could not be read.”

Solution

Error Causes

The ‘referenced memory at’ errors is either triggered by:

• Hardware failure
• Problems with the RAM and the registry

Hardware failure may result if the driver is not installed properly. The problems in the RAM indicate registry issues that occur due to data overload in the hard disk and poor PC maintenance. The registry saves all the information and activities you perform on your system on the hard disk. This includes the junk files, temporary files, invalid registry entries, and files of both installed and uninstalled programs.  These files accumulate and take over a lot of RAM space. Also, the referenced memory at error can be considered to be a form of memory leak where unknown third-party software can take up the memory space that has been reserved for a particular program. For example, if you have toolbars and add-ons installed in your browser, it can also lead to invalid registry storage in the registry. If you don’t clean the registry, these unnecessary files can overload your data and lead to hard disk/RAM damage and corruption triggering obscure error messages like referenced memory at error.

Further Information and Manual Repair

Referenced memory is a critical error; if not resolved it can lead to serious PC damages like a system failure. To avoid this, it is advisable to fix it right away. Here are a couple of ways to repair this issue on your system:

Cause: Hardware Failure

Solution: If the referenced memory at error is generated due to hardware failure then to resolve this error you must reinstall the driver that has caused the error to appear. Let’s say if the error pops up because of the printer driver, reinstall it. For re-installation of the driver, simply go to the control panel and click on the Device Manager option. Once you click it you will see a detailed page with a list of devices. Now click on the printer (the problematic driver in this situation) to reinstall the driver software. Double click on it to open the properties dialog box and then click the driver tab and update the driver. Once you have updated the driver, try using the printer. Check if it works. If it works and the referenced memory at the error code does not appear on the screen, this means the problem was with the hardware. However, if the error still pops up then this means the problem is deeper. It’s related to the registry.

Cause: Problems with the RAM and the registry

Solution: If the problem is with the RAM and the registry, then it is advisable to download Restoro. Restoro is a new, next-generation, and highly functional registry cleaner. It detects and removes all the registry issues, unnecessary and obsolete files saved in the hard disk taking up a lot of RAM space. It clears the RAM and cleans up the disk. Furthermore, it repairs the damaged files, fragmented disk, and the corrupt registry in seconds enabling you to resume the program that you were running before the error occurred. Restoro has a user-friendly interface and easy navigation. To run and operate this system you don’t need any kind of technical expertise. In just a few clicks you can resolve the critical referenced memory at error on your PC. It is compatible with all Windows versions Click here to download and install Restoro on your PC and fix the referenced memory error code now.

In case you don’t know, Driver Verifier is a built-in utility in the Windows 10 operating system. It is the one that ensures the integrity of all the drivers in the system. It can detect any suspicious behaviors of the drivers and if it finds the driver signature of some suspicious activity during runtime, it stops the suspected action by triggering a BSOD or Blue Screen of Death error and one of these Stop errors is the DRIVER_VERIFIER_DMA_VIOLATION error. When you encounter such an error, you will see the following message on your screen:

“Your PC ran into a problem that it couldn’t handle, and now it needs to restart. If you’d like to know more, you can search online later for this error: DRIVER_VERIFIER_DMA_VIOLATION”

There are several ways you can fix this error. You can try to disable the Driver Verifier or run the Hardware troubleshooter. You could also try to update, roll back or uninstall the drivers on your computer. For more details, refer to each one of the options provided below.

Option 1 – Try to disable the Driver Verifier Manager

The Driver Verifier Manager is another tool in Windows that could help you fix driver-related issues.

• Type in the keyword “Verifier” in the Cortana search box to search for Verifier in Windows 10.
• After that, select the option “Create custom settings”.
• Make sure that you have checked everything except the options “DDI compliance checking” and “Randomized low resources simulation”.
• Next, select the option “Select driver names from a list” option.
• Afterward, you have to select all the drivers from any unofficial or third-party provider. To simply put it, you have to select all the drivers that are not supplied by Microsoft.
• Then click on the Finish button.
• Open Command Prompt as administrator and execute this command – verifier /querysettings
• The command you just executed will display the Driver Verifier settings so if you see any of the flags enabled boot your Windows 10 PC into Safe Mode.
• Open the Command Prompt as admin again and run this command – verifier /reset
• The command will reset the Driver Verifier. Once the process is done, restart your PC and check.

Option 2 – Try to reinstall or update device drivers of recently installed hardware

If the first few options didn’t work for you, then it’s time to either update or roll back the device drivers. It is most likely that after you updated your Windows computer that your driver also needs a refresh. On the other hand, if you have just updated your device drivers then you need to roll back the drivers to their previous versions. Whichever applies to you, refer to the steps below.

• Open the Devices Manager from the Win X Menu.
• Then locate the device drivers and right-click on them to open the Properties.
• After that, switch to the Driver tab and click on the Uninstall Device button.
• Follow the screen option to completely uninstall it.
• Finally, restart your computer. It will just reinstall the device drivers automatically.

Note: You can install a dedicated driver on your computer in case you have it or you could also look for it directly from the website of the manufacturer.

Option 3 – Try running the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like DRIVER_VERIFIER_DMA_VIOLATION. It can be found in the Settings Troubleshooters page. To use it, refer to these steps:

• Tap the Win + I keys to open the Settings panel.
• Then go to Update & Security > Troubleshoot.
• From there, look for the option called “Blue Screen” on your right-hand side and then click the “Run the troubleshooter” button to run the Blue Screen Troubleshooter and then follow the next on-screen options. Note that you might have to boot your PC into Safe Mode.

Note: You could also run the Hardware and Devices troubleshooter as it could also help in fixing the DRIVER_VERIFIER_DMA_VIOLATION error.

Option 4 – Try running Microsoft’s online Blue Screen Troubleshooter

If running the built-in Blue Screen Troubleshooter didn’t work, you can also try running Microsoft’s online Blue Screen Troubleshooter. All you have to do is go to Microsoft’s website and from there, you will see a simple wizard that will walk you through the troubleshooting process.

If you don’t have the required drivers installed in your computer, the hardware that you try to connect to your computer will most likely fail. In order to keep the operating system running on your computer, manufacturers develop drivers that can work harmoniously with your devices and applications. However, internet Wi-Fi connections can fail if suitable drivers are not installed. Worry not though for this post will guide you in installing Wi-Fi drivers on your Windows 10 computer. As you know, a driver is an essential piece of software designed for a specific operating system like Windows 10, Linux, and many more. The operating system uses it to communicate with other hardware devices such as printers and mice. Most hardware manufacturers feature a support page of their own product where you can look for the necessary drivers available for download. You will see that the Windows operating system has a set of drivers that are already installed and you do not have to do anything except plug in the device. So if the driver is not locally available, it will pull it down from its web server and automatically install it for you after you connect the device. However, there are instances when you might encounter some issues while using your Wi-Fi and during these times, you might have to reinstall your Wi-Fi drivers so read on as this post will provide you guidelines in installing Wi-Fi drivers in Windows 10. Refer to the steps below to do so. Step 1: First, go to your manufacturer’s website and look for the right driver you want to install to download your Wi-Fi driver. Step 2: After that, you have to download the correct Wi-Fi driver if it’s available. You have to know the exact name and version of the driver so that you can download it and this information can be found from the Device Manager. Just make sure that you have the right wireless adapter driver downloaded. Step 3: Once done, open the setup of the new driver that you’ve downloaded earlier and run the file and then follow the next on-screen instructions that appear right after. Step 4: You’re not done yet as you need to verify if you have downloaded and installed the correct Wi-Fi driver. Refer to the sub-steps below to do so:

• First, right-click on the Start button and select the Device Manager to open it.
• From there, look for the Network Adapters and expand its category to make all the network adapters visible including the wireless adapter.
• You can easily spot the wireless adapter as it has the “wireless” term in its entry.
• Next, right-click on the wireless driver entry in the Device Manager and select Network adapters, and then click on Properties to check the version number of the driver.
• Now select the Driver tab and view the details. If it looks well then it means that you have the right version of the driver installed.

Step 5: Restart your computer.

One of the most common hardware issues with any PC usually has something to do with the hard drive so if your hard drive experiences some errors, you could end up losing a lot of important information that’s stored in your computer. This is why Windows provided users with the CHKDSK utility which helps in looking for bad sectors on the drive. However, there are times when the CHKDSK utility could also face issues like the following error:

“Failed to transfer logged messages to the log event with status 50.”

According to security experts, this error is most likely due to the hard drive or RAM being in a “Read-only” state. It could also be due to some physical issues with the hard drive. On the other hand, it could be that the system is prevented from creating logs by some drive, service, or malware. To fix this error, you have to check if the hard disk is writable. You could also try to run the CHKDSK utility in Safe Mode or you could also check the physical status of your hard disk or external drive.

Option 1 – Check if the hard disk is writable

Although the CHKDSK utility checks for bad sectors in the hard drive, it also has to create logs of the result. And as states in the error message, the CHKDSK utility is not able to log the logged messages. This kind of error occurs when the log can’t be written to an installation disk. You can find the log in this location, “C:WindowsSystem32LogfilesSrtSrtTrail.txt”. Now you have to check if the drive writable by following these steps:

• Log in as administrator and right-click on the system drive.
• Select Properties and then go to the Security tab. Here, check if you are allowed to modify the drive. If not, click on Edit (as an administrator).
• Now edit the permissions for the SYSTEM and Administrators group. Note that these are the only default settings for these two groups or usernames.
• Then click on the Apply button save the changes made and exit.

Option 2 – Run the CHKDSK utility in Safe Mode

You could also try to run the CHKDSK utility in Safe Mode as this might solve the error.

• Boot your computer in Safe Mode.
• Next, open Command Prompt with admin privileges.
• Then type and enter this command to execute it: chkdsk c: /f /r
• Wait until the process is completed and boot your computer normally and then run the CHKDSK utility again and check if the “Failed to transfer logged messages to the log event with status 50” error is now fixed.

Option 3 – Try to check the hard disk or external drive physically

If the first two options didn’t work, you might want to check the physical status of your hard disk or external drive as the problem could root from there. You can try to tighten the wires that connect the hard disk to the motherboard. However, if it doesn’t help, you should seek out assistance from a hardware technician.

0X0000007B (0xF78d2524) - What is it?

If you are a laptop or a notebook user and you are trying to install Windows XP on it, you might come across 0x0000007B (0xF78524) error message. This error is a popular blue screen of death error and very similar to the error 0x0000007B.

Solution

Error Causes

The common causes of 0x0000007B (0xF78524) error code on your laptop might be:

• File Corruption
• Device Configuration Issues
• Adware/spyware invasion
• Incomplete Installations
• Problem with your computer’s hard drive controller

Further Information and Manual Repair

Many people panic when they experience 0x0000007B (0xF78524) error on their laptops and notebooks simply because it is a blue screen of death error. The BSoD has this whole persona of being deadly computer errors that can almost cripple systems. If you have also experienced this error on your laptop, remain calm and follow the solutions given below to ensure you fix the error quickly without any hassle. Here are various ways to fix and resolve the BSOD error code 0x0000007B (0xF78524):

1. Whether you have Lenovo IdeaPad Y550 or Dell Latitude E4300 or any other laptop for that matter, if device driver configuration is the cause of the error 0x0000007B (0xF78524), then all you need to do is start up your laptop and press F2 to enter BIOS. Now expand the ‘Drives’ section. After doing so, go to ‘SATA Operation’. SATA is the abbreviation for Serial Advanced Technology Attachment which enables mass storage devices like hard drives and optical drives to communicate with the motherboard by using a high-speed serial cable. For successful communication between devices, you need to configure SATA controller mode. Once you go to the ‘SATA Operation’ mode, change this from RAID AHCI to RAID ATA. Save changes and exit BIOS. This helps resolve the error 0x0000007B (0xF78524) in no time.
2. Another way to fix this error is to download and install the 0x0000007B (0xF78524) repair tool. Once this tool is installed on your laptop, click the scan button. Once the scan is complete, you will see a list of errors; click the ‘Repair’ button to fix the errors found and then restart.
3. The 0x0000007B (0xF78524) error may also occur due to the boot volume corruption. In such an event, it is advisable to run chkdsk command on the hard drive. This is recovery console command is used to check the hard drive, repair and recover data on the drive successfully.

Once a tedious and unfriendly task of installing fonts has been severely made easier and more user-friendly. As technology advances daily so do some tasks. One of these tasks which today look unnecessarily complicated is fonts installation in Windows. What was once complicated navigation to control panel with an administrative account, today is two-click with the mouse anywhere, well anywhere on your hard drive, but still a great improvement nonetheless. Ok, so you have found cool new font which you like very much and you are eager to try it out, but how do you install it in Windows so your other software can find it and use it? The task is incredibly easy, let's presume that you have downloaded desired font or fonts to your hard drive from the internet, they are nicely placed in a folder, all you have to do is select which one you would like to install, right-click on any one selected and click on install. That's it, that is all that you need to do. Now in order to remove fonts first, you will have to go to the folder which has all fonts installed in the system. The location of this folder is conveniently enough c:\Windows\Fonts. In there select all fonts that you would like to uninstall from the system and simply delete them, that's it.