VSPreclean.exe (or sometimes distributed as a script/add-in).
: Ensuring the target directory and system registry are ready for the specific edition of Visual Studio (Ultimate, Premium, or Professional).
[Master Installer] ---> Extracts ---> [VS_PreClean_vs.exe] ---> Corrupted Runtime? ---> [FATAL ERROR / STALL] vsprecleanvsexe visual studio 2012 exclusive
[091C:0620]: Acquiring package: vs_preclean_vs, payload: vs_preclean_vs, copy from: E:\packages\VS_Clean\VS_PreClean_vs.exe [091C:0620]: Error 0x80070002: Failed to find copy of security payload or executable. Root Cause 1: Media Corruption or Incomplete ISO Extraction
Visual Studio 2012 introduced the (Visual Studio Performance) toolset, located typically in: VSPreclean
Because beta releases (such as the Visual Studio 2012 Preview and Release Candidate) had fundamentally altered deep system hooks, Microsoft included vs_preclean_vs.exe as a dedicated gatekeeper. This tool resolved specific structural issues: 1. Registry Isolation and Deep Sanitization
Để có cái nhìn toàn diện hơn, dưới đây là bảng so sánh trực quan giữa hai khái niệm: ---> [FATAL ERROR / STALL] [091C:0620]: Acquiring package:
vspreclean và vsexe (Visual Studio Express) là hai thực thể khác biệt nhưng có mối quan hệ mật thiết trong hệ sinh thái Visual Studio 2012.
The file vs_preclean_vs.exe is an internal Microsoft deployment utility bundled within the WiX (Windows Installer XML) toolset and the Microsoft Boostrapper pipeline for Visual Studio 2012 .
Its primary function is to audit the system registry, cached MSI (Microsoft Installer) packages, and GAC (Global Assembly Cache) entries before the main setup payload executes. It scans for conflicting, corrupted, or pre-release beta installations of Visual Studio components that could otherwise corrupt a clean environment setup. File Metadata Checklist
Deploying an integrated development environment (IDE) requires a clean foundation. When setting up , users frequently encounter the deployment payload executable VS_PreClean_vs.exe . This critical background component handles early environment preparation but often triggers abrupt installation crashes when corrupted or missing.