
Fix 'Port Already Allocated' Error in Windows Defender on Windows 10
You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...
Software troubleshooting desk

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...

You try to activate Windows 10 and get error 0x8007232b with a message about a version mismatch. ...

You open Indexing Options, see "Indexing complete" at 99%, and it never finishes. This is a known...

OneDrive error 0x8004de40 usually appears when signing in or syncing. It points to a problem with...

When you open Microsoft Store and only see a blank white or gray screen, the app isn't loading co...

You try to activate Windows, but the process hangs or takes forever. Meanwhile, your PC feels slu...