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

Fix 502 Bad Gateway After Reboot in Command Prompt

If you see a 502 Bad Gateway error after rebooting your server or workstation, i...

Windows Update Option Missing After System Update: How to Restore It

After a recent system update, you might open Settings and find the Windows Update page missing or...

Fix Windows Security Authentication Error 0x80070035

Fix Outlook 502 Bad Gateway Error in Office 365

If you're seeing a '502 Bad Gateway' error when trying to use Outlook with Office 365, it usually...

How to Fix OneDrive Sync 404 Not Found Error

If you see a "404 Not Found" error while syncing files in OneDrive, it usually means the sync app...

Command Prompt Update Troubleshooting Checklist

If Command Prompt fails to update or behaves unexpectedly after an update, the problem is often a...