Fix 'Connection Refused' Error in Windows Security for Remote Desktop
When you try to connect to a remote PC via Remote Desktop and get a 'connection refused' error fr...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Restart Remote Desktop Service from Command Line
If you need to restart the Remote Desktop service on a Windows machine—perhaps because users can'...
Sync Windows Updates with Ubuntu Dual Boot
If you dual-boot Windows and Ubuntu, you might notice that after booting into Ubuntu, the time in...
Fix Windows Activation Stuck on 'Checking for Updates' on Mac
If you're running Windows on a Mac (via Boot Camp, Parallels, or VMware) and the activation proce...
How to Fix Windows Defender Slow Performance
Windows Defender (now Microsoft Defender Antivirus) can sometimes cause noticeable slowdowns, esp...
How to Fix an Outlook File Locked Due to Sync Issue
You try to open Outlook and see a message that your data file (.pst or .ost) is locked. Often thi...
Topic paths
Quick titles
Troubleshooting Outlook Invalid ConfigurationOneDrive Not Syncing After Cache Clear: StepsWindows Search 504 Error Fix GuideHow to Fix Chrome Extension Sync IssuesFixing Windows Terminal Slow with PowerShell 7Troubleshoot Go Proxy 410 Gone for Private ReposHow to Fix BitLocker Access Denied on a USB DriveHow to Fix Outlook Search Not Working in Windows 10