Forum Discussion

Copper Contributor

Jun 20, 2025

(KB5060818) Install error - 0x800f081f

I've tried all recommendations. So far no solutions. Please help. Cumulative Update for Windows 11 Insider Preview (10.0.26200.5651) (KB5060818) Install error - 0x800f081f

Jadepearl

Iron Contributor

Jul 09, 2025

The error 0x800f081f during a Windows update—specifically KB5060818—indicates that some system files or component store (WinSxS) files are missing or corrupted, preventing the update from installing properly.