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

How to Fix 'File Locked by Another Process' Error in PowerShell

When you run a PowerShell command that reads, writes, or deletes a file, you might see an error l...

Fix Teams Loading Issue by Clearing Cache

If Teams gets stuck on the loading screen, fails to start, or loops through login prompts, a corr...

Fix Windows Security High CPU Usage: Practical Steps

If your computer feels sluggish and Task Manager shows that Windows Security (or Antimalware Serv...

How to Clear SSL Certificate Cache in Windows 10

If you're seeing certificate warnings, SSL connection errors, or websites that won't load properl...

How to Fix DNS Errors by Setting Up Windows Defender

If you're seeing DNS errors while browsing—like "DNS server not responding" or "DNS probe finishe...

Fix GitHub Actions Cache Action Permission Denied Error