: If you have a free Dev Essentials subscription or a paid Visual Studio Subscription, you can download the full ISO or web installer from My.VisualStudio.com.
A highly prevalent bug in Visual Studio 2015 causes the system to run an unexpected installation repair window whenever you execute an installer build. You can resolve this by cleanly re-registering the central merge module handler via the Command Prompt:
Look for and Microsoft Root Certificate Authority 2011 .
Visit the official Visual Studio older downloads page at: . rvaddonmsi+visual+studio+2015+download+upd
If you are generating a custom application setup wizard or compiling legacy deployment configurations and it prompts for external package references, unregistering the shared merge modules toolset can stop the installer looping behavior:
If you are working with:
Here are two effective methods to resolve the error. It is always best to use official Microsoft sources. : If you have a free Dev Essentials
: Tools like CCleaner or aggressive Windows Disk Cleanup can accidentally wipe out files in C:\Windows\Installer , leaving the system without the fallback .msi files required during a modification or update.
Note: As of 2025, Microsoft hides legacy downloads behind Visual Studio Dev Essentials. Use these official redirects:
For developers and IT professionals working with older Microsoft development environments, encountering errors related to RVAddon.msi during Visual Studio 2015 installation or update processes can be a major roadblock. This comprehensive guide explores everything you need to know about this component, its role within Visual Studio 2015, how to handle its updates, and the best practices for a smooth installation. Visit the official Visual Studio older downloads page at:
to open the installer and apply updates or add missing components like Visual C++. Direct Update Links:
: If the installer rolls back specifically when reaching the Reporting Services component (where RVAddon resides):