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Troubleshooting

How to Fix PuTTY SSH Connection Refused Error

You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...

Troubleshooting
How to Fix Windows Security 502 Bad Gateway Error

When you open Windows Security and see a “502 Bad Gateway” error, it means the app can’t connect ...

Troubleshooting
Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Troubleshooting
Fix Windows Update Service Stuck on Starting Repair

You restart your PC after a Windows Update failure, and the screen says 'Starting repair' — but i...

Troubleshooting
Fix MongoDB Authentication Failed Permission Denied Error

You connect to MongoDB and get Authentication failed or Permission denied
Troubleshooting How to Reduce PowerShell High Memory Usage You open Task Manager and see PowerShell consuming 1 GB or more of RAM. This usually happens afte...

Software Topics Sitemap Windows Fixes macOS Help Browser Issues Office Tools Developer Tools Cloud Software Security Tools Backup Recovery Network Tools Database Tools AI Tools Productivity Apps Recently Updated Fix Windows Security Authentication Failed Smart Card Not Working2026-06-05 · Windows Fixes Apache Service Not Starting After Update: Common Fixes2026-05-27 · macOS Help Fix Microsoft Store Module Not Found Sync Issue2026-05-30 · Browser Issues Fix Chrome Profile 502 Bad Gateway After Update2026-06-12 · Office Tools Setup Task Scheduler to Run Windows Updates Automatically2026-06-02 · Developer Tools How to Fix Task Scheduler 'Path Not Found' Error2026-05-28 · Cloud Software Fix Microsoft Store High CPU Usage: Configuration Guide2026-06-06 · Security Tools Fix Windows Activation Stuck on Loading Command Prompt2026-05-23 · Backup Recovery Support Note Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.