installer. It is a "Pre-Clean Tool" designed to prepare your system by removing conflicting package sources or legacy installation artifacts before a new installation or update begins. What is vs-preclean-vs.exe? This executable is part of the Visual Studio 2015 Package Cache

It is largely obsolete and is rarely encountered in modern development environments (Visual Studio 2017/2019/2022). Common Issues

Are you encountering a or did you find this file in a particular folder ? Uninstall or Remove Visual Studio | Microsoft Learn

If you are plagued by annoying pop-ups regarding this file, follow these steps to resolve them: