0x800f0952

If your PC is managed by a corporate WSUS server, try temporarily switching to Microsoft Update:

Before diving into fixes, understand the root cause. On a standard home PC, Windows contacts Microsoft’s public Windows Update servers to fetch required files. On a or managed PC (e.g., work or school computers), Group Policy often forces the PC to contact an internal WSUS server. That internal server may not host the alternative source files required for .NET Framework 3.5, causing error 0x800f0952. 0x800f0952

: Residual entries from failed software installations or removals. If your PC is managed by a corporate

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU Look for a value named UseWUServer Change the value to to force the system to check online for updates. your computer after making this change. Microsoft Learn 3. Run System Repair Tools That internal server may not host the alternative