
Windows Security DNS Error Troubleshooting Checklist
If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...
Software troubleshooting desk

If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...

If you're noticing tasks missing from Task Scheduler, tasks failing to run with generic errors, o...

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

When you open Task Scheduler and see a '404 Not Found' error when trying to view or create a task...

You might see Windows Defender consuming a lot of memory, and then get error code 0x80070002 when...

You've set Microsoft Teams to launch automatically, but it doesn't start when you log in. You che...