If you receive an error related to Windows Installer then you can resolve it either How to fix Windows Installer Error? by re-registering the msiexec.exe file or by reinstalling the Windows Installer. Please remember to backup the registry before you edit it. Unless you are an expert on computer registry, It is very dangerous to edit registry yourself. I found that ErrorFix is the best registry cleaner on the market. I always use ErrorFixto solve my computer’s registry errors. ErrorFix can clean your computer registry and prevent it from crashing. You will love it. It is very very good product if you have used other registry cleaner in the market.