How to Fix PuTTY SSH Connection Refused Error
You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams File Locked Not Opening
When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...
Fixing Outlook Dependency Conflicts with Office 365
When Outlook stops working after an Office 365 update or a new add-in, a dependency conflict is o...
Remote Desktop Audio Not Working: 7 Practical Fixes
You connect to a remote PC and can see everything, but there's no sound. Audio over Remote Deskto...
Windows Update Troubleshooting Checklist for IT Pros
When Windows Update fails on a managed client, the symptom is often straightforward: updates stuc...
Fix Windows Defender Module Not Found After Antivirus Uninstall
After uninstalling a third-party antivirus program, Windows Defender may fail to load its modules...
Topic paths
Quick titles
Stop Remote Desktop from Using High CPU After IdleFix Windows Terminal Proxy Error: Connection RefusedHow to Resolve DNS Probe Finished NXDOMAIN on ChromeResolve Chrome Site Unreachable ErrorFix Chrome Profile Not Loading After Ubuntu UpdateFix Microsoft Store Permission Denied Without Admin RightsWindows Security Setup Guide for Mac UsersDiagnose Network Issues in Windows Terminal