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

How to Fix Windows Search 'Permission Denied' Error

When you search for a file or setting in Windows and get a 'Permission Denied' error, it usually ...

Fix Microsoft Store 404 Page Not Found Error

When you browse the Microsoft Store and encounter a 404 page not found error, it usually means th...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

PowerShell Slow Startup: Common Causes and Fixes

If PowerShell takes noticeably longer to start than usual—sometimes 10 seconds or more—the proble...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...