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

How to Fix Git Push Rejected Non-Fast-Forward Error

You run git push and see: ! [rejected] main -> main (non-fast-forward). Thi...

Fix PowerShell Remote Connection Refused Error

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

Fix 504 Gateway Timeout with Curl Command

When you see a 504 Gateway Timeout error, it means a server upstream (like a proxy or gateway) di...

Fix 'BitLocker Device Encryption Not Available' on This Device

When you open the BitLocker settings and see 'Device encryption not available on this device', it...

Fix Windows Update Not Installing Due to Permissions

When Windows Update fails to install updates and you see permission-related errors, it's often du...