Fix PuTTY Network Error: Connection Refused on Ubuntu
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Sync Error 0x8004de40 During Migration
When migrating OneDrive accounts or moving files between tenants, you may see error 0x8004de40. T...
Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot
If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...
Fix Microsoft Store Error 0x80072ee7 Network Issue
When you see error 0x80072ee7 in the Microsoft Store, it usually means the app can't reach the in...
How to Fix Windows Terminal Profiles JSON Error
Windows Terminal relies on a profiles.json file to store your settings. When this fi...
How to Fix Windows Defender Authentication Failed Error
If you see "Authentication failed" when opening Windows Defender or trying to run a scan, it usua...
Topic paths
Quick titles
Fix OneDrive Sync Timeout Errors: Adjust SettingsWindows Terminal Update Stuck at 0% FixHow to Reset Windows Terminal ConfigurationFileZilla FTP Connection Timeout Setup GuideTroubleshoot Windows Security Service FailureFix Windows Security Not Opening on Mac: Step-by-Step GuideBypass PowerShell Execution Policy for a Single ScriptFix Microsoft Teams Error 0x80070005: Access Denied