Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
Fix problems with apps from Microsoft Store - Microsoft Support
In Microsoft Store, select Library. Find the app you want to reinstall, and then select Install. Select the Close (X) button in the upper-right corner of the app window to close it. Then, reopen the app. Make sure Windows has the latest update: Select check for updates now, and then select Check for updates.
Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
Defragment / optimize your data drives in Windows - Microsoft Support
Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.
System Restore - Microsoft Support
With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications.
A handle leak occurs when an .exe file is called by the CreateProcess ...
If you check the Explorer.exe process in the Process Explorer utility, you find that the .exe file leaks a handle in the Explorer.exe process. A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.