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

Fixing Nginx Permission Denied Error (Code 13)

If your Nginx server returns a 403 Forbidden error with message Permission denied (e...

Fix Windows Update 502 Bad Gateway Due to Firewall Settings

When Windows Update fails with a 502 Bad Gateway error, it often points to a network issue—common...

Fix BitLocker 'Cannot Access Drive Permission Denied' Error

Understanding the Error

You see 'Cannot access drive. Permission denied' when trying to o...

Fix Windows Terminal Hanging on Startup

Windows Terminal hangs on startup—you click the icon, the window appears but stays frozen or whit...

Fix Microsoft Teams Port Already Allocated Error

You launch Microsoft Teams and see an error: 'port already allocated'. This usually means another...

Fix Antivirus Causing High CPU Usage in Command Prompt

If you notice high CPU usage in Task Manager under Command Prompt, your antivirus software may be...