Because this executable runs with requireAdministrator manifest settings, anti-virus tools (especially McAfee and Symantec Endpoint) often quarantine or delay it. If you see preparation.exe in Task Manager but it never proceeds, check your AV real-time scanning logs.
If you are looking for the executable to update your VS 2012 instance, you are likely looking for the offline installer. Here is how to find it:
As the final major release for this version, Update 5 focused heavily on stability and integration: Visual Studio 2012 Update 5 - Microsoft Support
: Enables automatic workspace mapping updates after a team project is renamed on the server.
Before running the installer, take these steps to prevent the most common failures:
Understanding Visual Studio 2012 Update 5 and the Preparation Process
Unlike many updates, Visual Studio 2012 Update 5 did require a computer restart after installation under normal circumstances.
This guide covers its core function, common issues, and troubleshooting steps. What is visualstudio2012-update5-preparation.exe? Core Purpose
: Issues with the .NET Framework can cause the installer's background processes to spike in CPU usage.
Given the age of the software, the installation process is rarely smooth on a modern operating system. Here are key strategies to ensure success.