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

How to Set Up Proxy in Command Prompt for Network Access

If your network requires a proxy server to access the internet, you may need to configure it in t...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Checklist to Resolve Windows Defender Update Errors

When Windows Defender fails to update, you might see error codes like 0x80070643, 0x80240022, or ...

Fix Windows Activation License Expired After Upgrade

After a major Windows upgrade (e.g., from Windows 10 to Windows 11 or a feature update), you may ...

How to Fix Remote Desktop Update Error 0x80070424

You try to install a Remote Desktop update on Windows and get error 0x80070424. The update fails,...

How to Fix Edge Update Error 0x80070643

When updating Microsoft Edge, you may encounter error 0x80070643. This usually indicates a proble...