: Its primary function is to "pre-clean" the environment by detecting and deleting pre-release components, SDKs, and residual data like temporary files or caches from prior installations.
| Tool | Purpose | Example usage | |------|---------|----------------| | | Instruments a binary (adds probe calls) | vsinstr MyApp.exe | | VSPerfCmd.exe | Controls profiling session (start/stop, sample/instrument) | vsperfcmd /start:sample /output:report.vsp | | VSPerfReport.exe | Generates summary or call tree reports from .vsp file | vsperfreport report.vsp /summary:all | | VSPerfClrEnv.exe | Sets/clears .NET profiling env vars | vsperfclrenv /traceon | vsprecleanvsexe visual studio 2012 exclusive
If you see a literal window or prompt mentioning VsPreClean.vsexe , check your installed extensions. Purpose : Its primary function is to "pre-clean"
Projects with custom pre-build events that invoke tools (e.g., copy , xcopy , or file transformers) might not release file handles properly before VS’s clean step runs. Ensure VS2012 has latest Update (e