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.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages ...
Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows. The 64-bit version is %systemroot%\System32\regsvr32.exe.
Use the System File Checker tool to repair missing or corrupted system ...
DISM provides the files required to repair your corrupted files. You should run DISM prior to running the System File Checker. To do this: Open an elevated command prompt. Type cmd in the Search box. In the search results, right-click Command Prompt, and then select Run as administrator.
Deploy Windows Malicious Software Removal Tool in an enterprise ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see the "Covered malware families" list in the "Release information" section of KB 890830). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Error opening Help in Windows-based programs: "Feature not included" or ...
The WinHlp32.exe technology will not be supported in its current form in future Windows releases. Therefore, we strongly recommend that software developers no longer use this Windows Help program.
Update drivers through Device Manager in Windows - Microsoft Support
Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.
Solve PC problems remotely with Remote Assistance
Remote Assistance lets someone you trust take over your Windows 10 PC and fix a problem from wherever they are.
Windows Recovery Environment - Microsoft Support
Learn about Windows RE, how to access it, and the different tools it offers.