Problems that block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel.Problems that prevent existing programs from being completely uninstalled or updated.Problems that prevent new programs from being installed.Corrupted registry keys that control the update data.Corrupted registry keys on 64-bit OSes.Here's a list of the things this tool can fix: The Windows Installer troubleshooter suite will automatically check and attempt to fix any detected issues that may be preventing you from adding or removing software.ĭownload the Windows Installer Troubleshooter