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

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

OneDrive Sync Paused Due to Large Files: Workarounds

You're working with a large file in OneDrive—maybe a video, database, or archive—and suddenly syn...

How to Fix Nginx Permission Denied Errors

If you see 13: Permission denied in your Nginx error log, Nginx cannot read a file o...

Windows Defender Command Not Found in PowerShell: Fixes

When you type Get-MpComputerStatus or other Defender cmdlets in PowerShell and see <...

Fix Chrome High Memory Usage & Permission Denied When Clearing Cache

You're trying to clear Chrome's cache to free up memory, but you see a "permission denied" error—...

Fix Chrome SSL Certificate Error: Invalid Common Name