Visual Studio 2012 Update 5 is the final cumulative update for the 2012 suite, released on August 24, 2015. While there is no standalone file officially named "preparation.exe" in modern Microsoft documentation, the update itself acts as a prerequisite for several subsequent security patches. Key Features and Improvements
Visual Studio 2012 was a widely-used integrated development environment (IDE) from Microsoft. Update 5, released on August 24, 2015, was the final cumulative update for VS2012. As a cumulative release, it included all fixes and features from previous updates, along with its own improvements and bug fixes.
: Supported versions of Windows (XP through Windows 8.1 / Windows Server 2012 R2). Microsoft Support Key Improvements in Update 5 visual studio 2012 update 5 preparation.exe
The original VS 2012 installation source files were deleted.
The Update 5 package brought improvements, including: Visual Studio 2012 Update 5 is the final
This happens if your operating system lacks the root certificates required to validate legacy Microsoft signatures.
This usually indicates a corrupted download or a network issue (e.g., a proxy server blocking BITS downloads). Try downloading the update again using a different browser (not Internet Explorer), temporarily disable any proxy, or use the /layout switch to create a complete offline layout before installing. Update 5, released on August 24, 2015, was
Before running the preparation tool, it is helpful to know what the update provides:
It establishes a secure connection to Microsoft servers to pull down the specific, localized installation packages required for your system configuration.
Visual Studio relies on background processes like the Team Foundation Server local workspace agents, IIS Express, and various build tools. If these services are actively running, Windows locks the files. The preparation tool safely stops these conflicting background tasks. 3. Cleaning MSI and MSP Registries