Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Windows Defender DNS Error 0x800704cf

You open Windows Defender and see error code 0x800704cf. This usually means Windows Defender can’...

Fix VirtualBox Kernel Driver Not Installed Error 0x80004005

You try to start a virtual machine in VirtualBox and get the error: Kernel driver not ins...

How to Increase Yarn Network Timeout for Slow Connections
When running yarn install on a slow or unreliable network, you may see errors like <...

Fix Windows Update Error 0x80070002 – Cache Corruption
When Windows Update fails with error code 0x80070002, it often points to a corrupted download cac...

Docker Container Restarting Continuously: Causes and Fixes
You start a Docker container and it keeps restarting. You see Restarting (1) 5 seconds ago<...

Fix SSH Host Key Verification Failed on Linux When you try to connect to a remote server via SSH on Linux, you might see an error like Ho...

Issue queue Sitemap Windows Update Cleanup Access Denied Error Solutions Task Scheduler Permission Denied Error Fix How to Fix Access Denied in Windows Activation Command Chrome File Locked by System: Permission Denied Fix Fix 0x80072efd in Microsoft Store: DNS and Cache How to Fix Windows Update Error 0x8024401c Proxy Permission Denied Task Scheduler Authentication Failed Permission Fix Task Scheduler Fails at Startup Due to UAC How to Fix Store Permission Denied on Standard Account Fix PowerShell Version Mismatch with Azure Modules Extend Remote Desktop Gateway Session Limit Fix Windows 10 Update Error 0x800f081f Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities