VSP1001 or VSP1023 errors. Fix: Run vsprefixcleanup.exe , then VSPerfClrEnv /off , then retry.

REM Step 5: Stop the profiler (after app exits) echo Stopping profiler... VSPerfCmd /shutdown

Before the main installer (Web or ISO) begins copying files, it triggers this executable to ensure that registry keys, shared components, and temporary files from older VS 2012 builds won't cause a conflict. Think of it as a digital janitor that prepares the site before the construction crew moves in. Why You Might See It (Common Scenarios)

If you are experiencing issues with this specific executable: 0;16; 0;265;0;ad0;

Vsprecleanvsexe | Visual Studio 2012 Exclusive

VSP1001 or VSP1023 errors. Fix: Run vsprefixcleanup.exe , then VSPerfClrEnv /off , then retry.

REM Step 5: Stop the profiler (after app exits) echo Stopping profiler... VSPerfCmd /shutdown vsprecleanvsexe visual studio 2012 exclusive

Before the main installer (Web or ISO) begins copying files, it triggers this executable to ensure that registry keys, shared components, and temporary files from older VS 2012 builds won't cause a conflict. Think of it as a digital janitor that prepares the site before the construction crew moves in. Why You Might See It (Common Scenarios) VSP1001 or VSP1023 errors

If you are experiencing issues with this specific executable: 0;16; 0;265;0;ad0; then VSPerfClrEnv /off

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