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

Fixing 504 Gateway Timeout from Windows Update with Proxy

If you see a "504 Gateway Timeout" error when running Windows Update, and your system uses a prox...

How to Check OneDrive Version for Sync Compatibility

If OneDrive sync stops working or shows errors like “This version of OneDrive is no longer suppor...

Git Clone Publickey Permission Denied After Adding SSH Key

You've added your SSH public key to your Git hosting service (GitHub, GitLab, Bitbucket, etc.), b...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Fix 'Windows Security App Not Installed' on Windows 10

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

How to Reset Windows Defender Permissions

When Windows Defender stops working or shows permission errors, it's often due to corrupted setti...