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

How to Fix WSL Ubuntu No Internet Access

If your WSL Ubuntu instance has no internet access, you're not alone. This usually happens after ...

Fix VSCode Remote SSH Permission Denied on Windows

When using VSCode's Remote-SSH extension on Windows, you may see 'Permission denied (publickey)' ...

Fix 'npm command not found' on Linux

When you type npm in the terminal and get command not found, it usually...

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Activation Update Error 0x80070643

If you see error 0x80070643 during a Windows activation update, the update process has been inter...