
Fix Microsoft Store 'Port Already Allocated' Error via Firewall
When launching the Microsoft Store, you may see an error like 'Port already allocated' o...
Software troubleshooting desk

When launching the Microsoft Store, you may see an error like 'Port already allocated' o...

If you installed Windows on a machine that never went online, or used an offline installer (like ...

You see "Authentication failed" when trying to activate Windows. This usually happens after a har...

You open the Microsoft Store and see nothing but a white or gray screen. This is a common issue i...

After a recent Windows update, you might notice Windows Defender (Microsoft Defender Antivirus) c...

When you try to open a file with 7-Zip and see “Cannot open file as archive: unsupported ...