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

Fix Windows Defender Error 0x80070422: Cannot Connect

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

Chrome Profile Missing After Logout: Recovery Steps

You log out of Chrome or your computer, and when you log back in, your profile is gone—no bookmar...

Fix Task Scheduler Authentication Failed on Windows 10

If you see 'Task Scheduler authentication failed' when running a scheduled task, it usually means...

Fix Windows Defender High CPU Usage When Scan Stuck

If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

OneDrive Sync Reset Settings Checklist

If OneDrive stops syncing, shows errors like "Changes are being synced" indefinitely, or files wo...