Vsprecleanvsexe Visual Studio 2012 Exclusive 2021 -
Visual Studio 2012 is an integrated development environment (IDE) used for developing a variety of applications, including .NET applications, Windows desktop applications, web sites, web applications, and mobile apps. Released in 2012, it marked a significant update to the Visual Studio lineup, introducing several new features and improvements over its predecessors.
In exclusive mode, even leftover environment variables from a previously crashed or improperly closed profiling session will block new profiling attempts. This is where vsprefixcleanup.exe becomes indispensable.
If you start a build while debugging another instance of the same executable, the debugger holds an exclusive lock on the .exe or .pdb .
REM Step 1: Clean up any stale profiler environment variables echo Cleaning profiler environment... vsprefixcleanup.exe
vsprefixcleanup.exe is a much more specialized tool. Its sole function is to from the current process and its child processes. These variables are typically prefixed with: vsprecleanvsexe visual studio 2012 exclusive
This command cleans up temporary files in the specified project directory.
Troubleshooting VS_PreClean_vs.exe: The Key to Fixing Visual Studio 2012 Installation Failures
: Removing temporary setup files from interrupted installation attempts to prevent "Installation Blocked" errors. Super User Common Issues and Troubleshooting
Download Visual C++ Redistributable for Visual Studio 2012 Update 4 from Official Microsoft Download Center. Visual Studio 2012 Update 5 - Microsoft Support Visual Studio 2012 is an integrated development environment
: If the installer reports that VS_PreClean_vs.exe is missing or the "requested object" cannot be found, it often indicates a corrupt download. Downloading a fresh ISO from My.VisualStudio.com is the recommended fix.
Summary
Since this tool modifies project files ( .sln , .csproj , .vbproj ) directly:
Visual C++ Redistributable for Visual Studio 2012 Update 4 - Microsoft This is where vsprefixcleanup
However, the "Exclusive Mode" referenced in Visual Studio 2012 documentation refers to a scenario where the profiler takes exclusive control over the target process, preventing other profilers or diagnostic tools from attaching simultaneously. This mode is critical for accurate low-level timing and avoiding interference.
The Visual Studio 2012 splash screen appears, but the progress bar never moves. Often, this is because vsprecleanvs.exe is struggling to remove a locked registry key.
The "" has a very specific and vital job: it acts as a setup safeguard. Before Visual Studio 2012 installs any of its core components, this tool first scans your system for conflicting or partially installed versions of Microsoft software. Its main role is to clean up any "package source" leftovers that could cause conflicts, ensuring a clean environment for the new installation.
