
How to Clear Windows Activation Cache Manually
If you see activation errors like “Windows is not activated” or “We can’t activate Windows on thi...

If you see activation errors like “Windows is not activated” or “We can’t activate Windows on thi...

You try to activate Windows, but get a 'permission denied' error. This usually means the activati...

You might see a sync error in OneDrive that says something like "File is too large to sync" or th...

Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...

You might see an activation error on a second PC even though your Microsoft account shows a valid...

After replacing a motherboard, CPU, or hard drive, you might see "Windows isn't activated" or "In...