
Windows Search Service Troubleshooting Checklist
When Windows Search stops returning results, uses excessive CPU, or fails to index files, the cau...

When Windows Search stops returning results, uses excessive CPU, or fails to index files, the cau...

You open OneDrive and see an error like “Connection timed out” with code 0x8004de40. This usually...

You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...

When Windows Search isn't working right—missing files, slow results, or high CPU usage—the log fi...

If you're seeing frequent 'database is locked' errors when multiple processes or threads access t...

When you see 'Remote Desktop connection refused' or 'Remote Desktop can't connect to the remote c...