
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...

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

If your Windows Search migration tool stops indexing files after a system upgrade or data transfe...

If Windows Search shows a '404' error or simply returns no results, the search index is likely co...

You type in the Windows Search bar, but nothing appears—or you see a brief error message about au...

You open Indexing Options and see the status says 'Paused'. Windows Search has stopped building t...