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

Fix Windows Update 502 Bad Gateway Due to Firewall Settings

When Windows Update fails with a 502 Bad Gateway error, it often points to a network issue—common...

Fix Outlook 502 Bad Gateway Error from Antivirus Interference

When you see a 502 Bad Gateway error in Outlook, it usually means a network comp...

Fix PowerShell Port Already Allocated After Reboot

After a reboot, you might see an error like "port already allocated" when trying to use a specifi...

Outlook Settings Reset Not Working: Practical Fixes

Fix Go Modules Proxy Checksum Mismatch

When building a Go project, you might see an error like verifying module: checksum mismatch...