: If you have massive local workspaces, the tool may work overtime to map them for the new TFS features.

: Security software may flag preparation.exe as it performs deep system scans, leading to performance bottlenecks. How to Install and Manage the Update Visual Studio 2012 Update 5 - Microsoft Support

: Issues with the .NET Framework can cause the installer's background processes to spike in CPU usage.

: Updating local workspaces to support features like Team Project Rename. Common Issues: High Resource Usage

The preparation.exe file is a utility used by the Visual Studio installer to verify system prerequisites and "prepare" the environment for the update package. Its primary roles include: