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

Fix Outlook Connection Refused Error 0x80040115

Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...

Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist

If you're seeing a 504 Gateway Timeout error when running Windows Update, it usually means the up...

Remote Desktop Backup Restore Tool Not Working: Fixes

You try to restore a backup over a remote desktop session and nothing happens, or you get an erro...

OneDrive Sync Settings Not Saving? Here's How to Fix It

You change your OneDrive sync settings—like which folders to sync or the bandwidth limit—but the ...

Fix Windows Defender DNS Error Not Working

You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...

GOPROXY Environment Variable Configuration Guide