# Windows SideBySide error: delete VC policy key, then reinstall redistributables

- Source-Date (SAST): 2024-11-09 14:51
- Dest: both
- Review-after: 2027-08-31
- Status: current

## Facts

- SideBySide (SxS) errors on Windows: delete the matching policy key under `HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows > CurrentVersion > SideBySide > Winners > x86_policy.(number).microsoft.vc........`
- After deleting that key, reinstall the Visual C++ Redistributable runtimes All-in-One pack from https://cncu.co.za/Other-Softwares/Visual%20C%2B%2B%20Redistributable%20Runtimes%20All-in-One/