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

How to Renew Your Chrome Profile Authentication Token

If Chrome suddenly starts showing authentication errors, asking you to sign in again to Google se...

Fix Windows Update Error 0x80070005 Caused by Antivirus

You try to install Windows updates and see error 0x80070005, often with a message like "Access de...

Fix OneDrive Permission Denied When Syncing Files

You see a 'permission denied' error while syncing files in OneDrive. This usually happens when On...

Fix Windows Defender Login Loop Using Command Prompt

If you're stuck in a login loop after a Windows update or Defender configuration change, the issu...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Windows Security Authentication Error 0x80070035