The TWCU.EXE or TP-LINK Wireless Client Utility is a configuration application required to run wireless adapters successfully. The TP-LINK Wireless Client Utility application only exists on computers that are using the TP-LINK adapters. Upon the installation of this application, the service will be automatically added to the Windows service list that will continuously run in the background.
The Twcu.exe is placed at the C:\Program Files\TP-LINKTP-LINK\Wireless Utility folder and is used by TP-LINK to connect to the internet. The name of the main executable file is twcu.exe and can be viewed in the Services tab of the Task Manager. If you are one of the users who just upgraded to Windows 10 from the previous Windows versions, then you’ll most likely see an error saying, “Failed to load the library file!” that has something to do with twcu.exe or TWCU. This error pops up when you go to your desktop and every time you log into your Windows 10 PC.
Like pointed out, this error is related to the TP-LINK Wireless Client Utility and every user who is using the TP-LINK Wireless Client Utility is experiencing this problem which may be due to some compatibility issues especially when you start getting this error right after you upgraded to Windows 10. To fix this problem, follow each one of the options given below.
The best thing you can do is to run the TP-LINK Wireless Client Utility in the compatibility mode since the problem is due to some compatibility issue. To run this utility in the compatibility mode, here’s what you have to do:
This option is almost the same as the first one except it is an alternative way of fixing the TP-LINK Wireless Client Utility in case the first one didn’t work. In this option, you will troubleshoot the compatibility issue of the TP-LINK Wireless Client Utility.

Error Code 52 is a device driver problem that users experience on any Windows 2000 operating system and later Windows systems.
The error occurs when the operating system prevents the peripheral device connected to the computer from functioning properly and is usually displayed by the following message:
“Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)”
Error CausesError Code 52 is triggered by the following factors:
Error Code 52 can pose severe risks to the overall health of your PC and any negligence in fixing it can be disastrous for your computer.
However, since the error code is like other device driver errors, resolving the error is relatively straightforward. Here are a few methods to resolve the error code.
You can use system restore to roll back the system to a time when there was no error to eliminate the problem. Here is how you can use it:
By restoring the system via a last saved system checkpoint, you can obtain undamaged Windows system registry files that can help avert the error code.
If restarting your PC does not help, you will have to find the exact nature of the problem by running the troubleshooting wizard for the device and address the problem accordingly. To do this, proceed with the following steps:
After following the directions of the Troubleshooting wizard, make sure to restart your PC for the changes to take effect. Then check if your device is still causing problems.
Uninstalling and then reinstalling the device driver can help solve the error.
You can do this by firstly logging in as Administrator and open Device Manager. Select the device that is causing the problem and double click it and make sure that the peripheral is connected properly to the PC.
Upon opening, click on the ‘Driver’ tab and then select ‘Update Driver’. Make sure to refer to the system documentation that you received with your PC or computer to check for the motherboard details and driver specifics.
Manually uninstalling and reinstalling the driver will do the trick, however, it may be time-consuming especially when you would have to resort to your hardware user manual.
Therefore, using a program such as DriverFIX can save you a lot of time and frustration in having your device work properly on your computer.
DriverFIX, with its user-friendly approach to help you fix your PC issues, comes with an integrated database that detects which drivers you need to reconfigure within just a few seconds and downloads it automatically.
It further ensures that your drivers are installed in their entirety leaving no room for any incomplete files to remain that create Error Code 52.
It also has the added advantage of being able to backup and restores your files should there be the slightest possibility of system file damage. DriverFIX is the answer to fixing your PC error codes accurately and quickly.
Click here to download DriverFIX to fix Error Code 52 quickly and effectively!
“Shell Infrastructure Host has stopped working. A problem caused the program to stop working correctly. Please close the program”.This error indicates that the Shell Infrastructure Host or SiHost.exe process that is used for handling graphical elements, has crashed. And to fix this error, there are several options you can check out. You can try to reinstall the Microsoft Redistributable Packages or run a System File Checker scan. In addition, you can also use a new Guest Account or troubleshoot the problem in a Clean Boot State.
Error Causesrd /s \?X:badfolderpathNote: In the command above, “X” is the placeholder letter so you must input the letter that corresponds to the drive’s letter where the file is located.
del *.*