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

Fix 'Windows Defender Not Recognized' Error in Command Prompt

Setup PowerShell Offline Installer on Multiple Computers

When you need to install PowerShell on several Windows machines that lack internet access, the st...

How to Fix Windows Security Real-Time Protection Not Turning On

If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...

Fix Chrome DNS Probe Finished Bad Config Error

If you see 'DNS_PROBE_FINISHED_BAD_CONFIG' in Chrome, it usually means your computer can't reach ...

Fix pnpm Store Permission Denied and npm Global Packages

If you see EACCES: permission denied when running pnpm commands that involve global ...

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...