Prevent new programs from being installed. The troubleshooter helps fix problems that:Ĭorrupt registry keys on 64-bit operating systems.Ĭorrupt registry keys that control the update data. You'll find the product code in the property table of the MSI file.
To access the code, you'll need a tool for reading MSI files-which is typically available to IT professionals. If a program isn't listed in the uninstall options, you'll be asked for that program's product code. The troubleshooter provides steps for you to follow. If you see the File Download box when you start downloading, select Run or Open. It also fixes corrupted registry keys.įirst, you'll need to download the troubleshooter. The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store. Typically programs that don't list an install location will have installed themselves in a number of places around your disk though, so it's best to use the uninstaller if you can.Note: Use these steps for Windows programs. There are other bits of information in the registry that can help you too - See more info from Microsoft at (v=vs.85).aspx
Depending on where the application's uninstaller lives, that information might give you the clue you need to find the rest of the application. One of them will be called "UninstallString" and may point to the executable or DLL that is used to uninstall the software (or might pass a file location as a parameter to MSIexec or RunDLL). Once you find the right sub-key, you'll see a bunch of values for your program. (Un-tick keys and values and just leave data ticked). Use Regedit's search function and set it to look for the name of your program as it appears in the "programs and features" list of installed programs. That registry key contains a whole lot of sub-keys with GUID names (big long strings of seemingly random letters and numbers). You can use Regedit to go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall. Windows stores the list of uninstaller locations in the registry. You can get some clues as to where an application lives, by looking at where it's uninstaller is located.
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