How to uninstall MetaWin from your system MetaWin is a Windows application. Read below about how to uninstall it from your computer. It was coded for Windows by MSRsoft. Go over here for more details on MSRsoft. The program is usually placed in the C:\Program Files\MetaWin directory (same installation drive as Windows). MetaWin's complete uninstall command line is C:\ProgramData\{21E26A90-0E4B-49B3-8B67-125A0AD71ADE}\MetaWinInstall.exe. The program's main executable file occupies 1.63 MB (1713664 bytes) on disk and is titled MetaWin.exe.