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

Fix 'PowerShell Not Recognized' Error on Windows

When you type powershell in Command Prompt or a script and see “powershell is not re...

How to Fix Postman SSL Error with Custom Certificate

If you see "Error: unable to verify the first certificate" or similar SSL errors in Postman when ...

Certbot Nginx Plugin Error Log Analysis and Fixes

When running Certbot with the Nginx plugin, you may encounter errors that prevent certificate iss...

BitLocker Blank Screen: No Password Prompt Fix

You boot your Windows PC and see a blank screen instead of the BitLocker password prompt. The sys...

How to Fix Command Prompt High CPU and Memory Usage

You open Task Manager and see Command Prompt (cmd.exe) consuming a large percentage of CPU or a l...

Fix Windows Terminal Permission Denied File Locked Error