Visual Studio 2012 Update 5 was the final major release for that version of the IDE, primarily focused on compatibility and stability. The VS2012.5.exe

Installation LoopsUsers occasionally report that preparation.exe runs, finishes, and then prompts to run again without ever starting the actual Update 5 installer.Solution: This usually indicates a corrupted temporary folder. Clear your %TEMP% directory and restart the installer as an Administrator. Best Practices for a Successful Installation

Scanning Large Projects

: If you have massive local workspaces, the tool may work overtime to map them for the new TFS features.

Installation Issues:

Some users reported "Setup Package missing or damaged" errors. A common fix involves uninstalling the "Visual Studio Updater" program from the Control Panel before attempting an offline installation.