Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security High CPU Usage and Slow PC

If your PC feels sluggish and Task Manager shows Windows Security (or Antimalware Service Executa...

Fix OneDrive Token Expired Error (0x8004de40)

You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...

Task Scheduler Rate Limit Troubleshooting Checklist

When a scheduled task runs too frequently or fails to execute at the expected time, a rate limit ...

Fix OneDrive Files On-Demand Not Downloading Error

You click a file in File Explorer expecting it to download from OneDrive, but nothing happens—or ...

Fix kubectl Apply Forbidden in AKS: Permission Denied

Fix Task Scheduler Authentication Failed After Password Change

If you changed your Windows password and now see 'authentication failed' errors in Task Scheduler...