Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian

You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...

Fix OneDrive Authentication Failed in Office 365
You see "OneDrive authentication failed" when signing into Office 365. This usually means OneDriv...

Fix Windows Search Not Working (Error 404) – Practical Guide
If you see "Error 404" when using Windows Search, it usually means the search index is corrupted ...

Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...

Fix Microsoft Teams 502 Bad Gateway Due to Network Config
You open Microsoft Teams and see a 502 Bad Gateway error. This usually means you...

How to Fix 'Teams Permission Denied for File Upload'
You try to upload a file to a Teams channel or chat, but see a 'permission denied' error. This us...


    Issue queue
Sitemap
PowerShell Timeout Increase Guide
Check PowerShell Version Before Running Scripts
Complete Guide to Clearing PowerShell Cache
Fix Windows Security Token Expired Due to Group Policy
Windows Terminal Slow to Open: Troubleshooting Guide
CHKDSK Permission Denied: Quick Fix Guide
Troubleshoot Windows Search Startup Failure
Fix Chrome Connection Timeout Errors
Windows Defender Malware Removal Checklist: Step-by-Step Guide
How to Fix Windows Activation Token Expired Error
Fix Windows Terminal JSON Schema Error
Windows Search Not Responding: How to Fix It
Desk note

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