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

Fix Windows Security Login Loop: Step-by-Step

You sign in to Windows, see the desktop briefly, then get kicked back to the login screen. This l...

Ubuntu Windows Update Configuration Checklist

If you run Ubuntu alongside Windows in a dual-boot setup or use a virtual machine, you may need t...

Fix Windows Activation Error 0x8007007b on Ubuntu

If you see Windows activation error 0x8007007b while using Ubuntu (for example, in a dual-boot se...

Fix Command Prompt Proxy Error Sync Issues

When you see a proxy error while running commands in Command Prompt and your sync operations fail...

BitLocker Module Not Found: Fixes for Missing or Disabled TPM

If you see a 'BitLocker module not found' error when trying to enable BitLocker, it usually means...

Fix SSH Permission Denied (publickey) on Raspberry Pi