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

Fix Windows Defender Blank Screen in Windows 11

If you open Windows Security (Windows Defender) on Windows 11 and see only a blank or white scree...

Windows Update Error 0x80070643: Troubleshooting Checklist

If you see error 0x80070643 when trying to install Windows updates, the update process likely fai...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

GitLab Runner Stuck Pending: Fix Docker Executor Issues

You see a job stuck in "pending" status in GitLab CI/CD. The runner is registered and shows onlin...

How to Find the Windows Activation Log File in Windows 11

If Windows 11 shows an activation error or you need to check activation history, the activation l...

Fix Chrome Profile Login Loop After Password Change

You changed your Google account password, and now Chrome keeps asking you to sign in again—over a...