: Supported versions of Windows (XP through Windows 8.1 / Windows Server 2012 R2). Microsoft Support Key Improvements in Update 5
The preparation engine runs a series of checks. If it encounters a problem (e.g., pending reboot), it will display a red error message. Common remediation: visual studio 2012 update 5 preparation.exe
Because the preparation executable is lightweight, you should deploy the full prerequisite chain: : Supported versions of Windows (XP through Windows 8
This usually happens if the installer cannot access the internet or if the temporary files are corrupted. visual studio 2012 update 5 preparation.exe
Why this executable matters