Fix Nginx Config Test Fails with 'upstream host not found'
You run nginx -t and get upstream host not found. The config test fails...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'Microsoft Store Module Not Found' Error on Reinstall
When you try to reinstall an app from the Microsoft Store, you might see an error like "module no...
Fix Windows Security 504 Gateway Timeout from Antivirus Conflict
If you see a 504 gateway timeout error when accessing websites or services, and you have both Win...
How to Fix 'Permission Denied' Error When Opening Outlook Attachments
You try to open an attachment in Outlook and get a 'permission denied' message. The file might be...
Fix Chrome 504 Gateway Timeout After Update
After a recent Chrome update, you may see a 504 Gateway Timeout error when tryin...
Checklist to Stop Outlook from Crashing Frequently
If Outlook crashes repeatedly—freezing, closing without warning, or throwing errors—this checklis...
Issue queue
SitemapCommand Prompt Configuration Checklist: Practical Steps
Windows Terminal Settings Sync Guide
How to Fix OneDrive Error 0x8004de40 When Signing In
Outlook Permission Denied Shared Mailbox Fix
Stop 'File in Use' Error When Searching in Explorer
Fix 'Windows Update Command Not Found' on Windows 11
Microsoft Store Command Not Found Troubleshooting Guide
How to Fix PowerShell Authentication Failed Errors
Fix PostgreSQL Connection Refused on Port 5432
Chrome Update Causing Network Errors? Here's How to Fix
Stop Task Scheduler From Crashing in Windows 10
kubectl apply forbidden with proxy: fixes
Windows Terminal Settings Sync Guide
How to Fix OneDrive Error 0x8004de40 When Signing In
Outlook Permission Denied Shared Mailbox Fix
Stop 'File in Use' Error When Searching in Explorer
Fix 'Windows Update Command Not Found' on Windows 11
Microsoft Store Command Not Found Troubleshooting Guide
How to Fix PowerShell Authentication Failed Errors
Fix PostgreSQL Connection Refused on Port 5432
Chrome Update Causing Network Errors? Here's How to Fix
Stop Task Scheduler From Crashing in Windows 10
kubectl apply forbidden with proxy: fixes