
Microsoft Store Troubleshooting Checklist: Fix Common Issues
If you're having trouble downloading apps, installing updates, or launching the Microsoft Store, ...
Software troubleshooting desk

If you're having trouble downloading apps, installing updates, or launching the Microsoft Store, ...

After a Chrome update, you might see a proxy error message like "ERR_PROXY_CONNECTION_FAILED" or ...

When OneDrive shows a 'connection refused' error during sync, it usually means the app can't reac...

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

If Chrome shows network errors tied to your profile—like 'ERR_NETWORK_CHANGED' or pages failing t...

When you see an error like "Windows activation port already blocked by another application," it u...