Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix 'ffmpeg: command not found' on Linux

You try to run ffmpeg in the terminal and get ffmpeg: command not found...

SSH Permission Denied (Publickey) on EC2: Setup Fixes

If you're seeing "Permission denied (publickey)" when trying to SSH into an AWS EC2 instance, the...

Fix 'Windows Security Error: Virus Protection Turned Off'

You open Windows Security and see a red banner: “Virus & threat protection turned off.” This can ...

Fix PowerShell Crash with Exit Code 0xc0000005

You launch PowerShell, it starts to load, then crashes immediately with exit code 0xc000000...

Jupyter Kernel Not Starting Python Environment: Fixes
You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...

Windows Store Error 0x80073cf9: Step-by-Step Fix Checklist
If you see error 0x80073cf9 when installing or updating apps from the Microsoft Store, it usually...


    Issue queue
Sitemap
How to Fix BitLocker 502 Bad Gateway Configuration Error
Fix Task Scheduler Not Running After Resetting Settings
OneDrive Sync Error 502 – Network and Proxy Fixes
Fix Windows Terminal Showing Blank White Screen
How to Break Out of Windows Activation Loading Loop
Docker Compose Network Setup Checklist
Fix Windows Search Log File Not Found Error
Windows Security App Missing After Update: How to Fix
Git Remote Add Origin Error: Repository Not Found Fix
Windows Search Corrupt Config Repair Guide
How to Resolve DNS Error in Windows Security
How to Fix Windows Security 404 Error
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities