Fix PowerShell 502 Bad Gateway in IIS: Step-by-Step
A 502 Bad Gateway error in IIS typically means a downstream server or application pool failed. Wh...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Activation Error 0xc004c003
Windows activation error 0xc004c003 usually appears after a hardware change, reinstalling Windows...
How to Schedule Backups Using Command Prompt in Windows 10
If you need to automate file backups without third-party software, Windows 10 includes built-in t...
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...
Fix Chrome Update Error 12 on Windows 10
If you see "Update failed (error: 12)" when trying to update Google Chrome on Windows 10, the upd...
Fix 'Access Denied' When Running CHKDSK in Command Prompt
When you run chkdsk from Command Prompt and see "Access Denied" or "You do not have ...
Issue queue
SitemapOneDrive Sign-In Not Working After Update
Defender Module Not Found: Quick Fix Guide
Troubleshoot PowerShell Authentication to Active Directory
Command Prompt Timeout Error Guide
Fix Yarn Network Timeout Errors
Fix PowerShell Not Running as Admin in VS Code Permission Denied
How to Fix Git Permission Denied in VS Code PowerShell
How to Make Windows Defender Start Automatically
Windows Security Won't Open After Update – Troubleshooting
Microsoft Teams Microphone Permission Denied Fix
Resolve Task Scheduler Certificate Error After Windows Update
Microsoft Store Proxy Error: Setup Troubleshooting Guide
Defender Module Not Found: Quick Fix Guide
Troubleshoot PowerShell Authentication to Active Directory
Command Prompt Timeout Error Guide
Fix Yarn Network Timeout Errors
Fix PowerShell Not Running as Admin in VS Code Permission Denied
How to Fix Git Permission Denied in VS Code PowerShell
How to Make Windows Defender Start Automatically
Windows Security Won't Open After Update – Troubleshooting
Microsoft Teams Microphone Permission Denied Fix
Resolve Task Scheduler Certificate Error After Windows Update
Microsoft Store Proxy Error: Setup Troubleshooting Guide