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 Error 502 Bad Gateway

You open Windows Security and see 'Error 502 – Bad Gateway.' This usually means Windows Defender ...

Fix Windows Activation After Hardware Change

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...

Nginx Permission Denied: A Practical Troubleshooting Checklist

If you see nginx: [emerg] open() "/path/to/file" failed (13: Permission denied) in y...

BitLocker Offline Installer Stuck at Extracting Files: Fixes

You're running the BitLocker offline installer (typically from the Microsoft Media Creation Tool ...

Fix PowerShell Module Not Found After Path Change

You run Import-Module and get an error like "The specified module 'X' was not lo...

Fix PowerShell Network Error: The Network Path Was Not Found
If you're running a PowerShell command that accesses a network share or remote computer and see <...

Issue queue
Sitemap
Task Scheduler Module Not Found – Step-by-Step Guide
Fix Stuck Windows Search Update Installation
Troubleshooting Chrome Browser Log File Issues
Fix OneDrive Sync Service Unavailable: Configuration Steps
Bypass SSL Certificate Error in CMD
Gradle Build Error: Could Not Find or Load Main Class
Fix Chrome Login Token Expired Issue
How to Fix 'Microsoft Store Not Opening' Permission Denied Error
Windows Update Not Starting After Reboot Fix
Troubleshoot Windows Activation Network Errors
How to Stop Teams from Eating Memory When Idle
Resolve 'Access Denied' When Deleting Windows Terminal Cache
Desk note

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