
How to Fix Windows Security Update Failed Errors
You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...
Software troubleshooting desk

You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...

You open OneDrive and see a sync error: “Version mismatch.” This usually means the OneDrive app o...

You're browsing in Chrome and suddenly see 'Access Denied' or '403 Forbidden' on a site you norma...

When the Microsoft Store won't open, shows error codes, or fails to download apps, it's usually d...

You click a download link in Chrome, the browser freezes, and you see a "Not Responding" message....

You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...