
Fix Windows Activation Sync Issues Between Devices
You might see an activation error on a second PC even though your Microsoft account shows a valid...
Software troubleshooting desk

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

You click Windows Security in the Start menu or try to open Virus & threat protection, and instea...

When Outlook crashes, refuses to open, or shows errors like “Cannot start Microsoft Outlook” or “...

You're stuck at the BitLocker recovery screen after a system hang or forced shutdown. You enter t...

When you see a 404 error while trying to connect to a Remote Desktop (RD) Web Access or RD Gatewa...

You see an update available for Microsoft Teams in your Office 365 portal, but when you try to in...