If you find a suspicious vs-preclean-vs.exe , immediately:
<PropertyGroup> <PreCleanDuringBuild>false</PreCleanDuringBuild> </PropertyGroup>
: It scouts the Windows registry and package caches to find uninstallable items or leftover artifacts that could cause installation errors. vs-preclean-vs.exe
If you need to check the file now:
Run the Visual Studio Installer → Select your edition → Click Repair or Modify → Reinstall the "MSBuild" component under "Individual Components". If you find a suspicious vs-preclean-vs
While not a standard Microsoft system file, this executable may appear in the following contexts:
| Symptom | Likely Cause | Action | |---------|--------------|--------| | Runs >10 minutes | Stuck cleanup | End task via Task Manager, then repair VS | | Runs at every boot | Pending update | Run Visual Studio Installer → Update | | Not found / missing | Corrupted install | Repair or reinstall VS | | High memory usage | Bug in specific version | Update to latest VS patch | This is where vs-preclean-vs
When you build a complex solution—especially one involving native C/C++ code, large resource files, or cross-compilation targets—the build system must ensure that old object files, intermediate directories, and cached metadata do not interfere with a new build. This is where vs-preclean-vs.exe comes in.