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

Change Remote Desktop Listening Port to Avoid Conflicts

If you cannot connect to a remote computer because another application is using port 3389, or you...

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

Task Scheduler Version Mismatch After Update – How to Fix

After a Windows update, you might see an error like “Task Scheduler version mismatch” or tasks fa...

Fix Chrome Profile Port Already Allocated Error

How to Enable Command Prompt in Safe Mode Without Network

You might need Command Prompt in Safe Mode to troubleshoot boot issues, repair system files, or r...

Windows Search Not Showing Files: Fixes That Work

You type a filename into the Windows Search box, but nothing shows up—or only old results appear....