Fix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows 11 Installation Assistant Stuck at 99%: Fixes That Work
You’re upgrading to Windows 11 via the Installation Assistant, and it gets stuck at 99%. The prog...
How to Fix Node Version Mismatch in a Project
You cloned a project, ran npm install, and got errors about engine incompatibility. ...
How to Fix Firefox Secure Connection Failed Error
When Firefox shows 'Secure Connection Failed' and won't load a site, it usually means...
Fix Windows 11 Blue Screen After Update with Recovery Environment
If you're seeing a blue screen after a Windows 11 update and can't boot normally, the Win...
Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...
Issue queue
SitemapHow to Fix ERR_NAME_NOT_RESOLVED in Chrome
Fix Windows Explorer Crash Loop: Step-by-Step Guide
How to Fix Yarn Permission Denied in VS Code
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
Nginx Upstream Connection Refused: Diagnosis and Fixes
Troubleshooting Docker Network Not Found But Exists
Fixing Docker Pull Access Denied in Docker Desktop
How to Resolve Nginx 502 Upstream Timeout
Nginx SSL Config Test Failure: How to Fix
Windows Security App Not Working After Update: Fixes
Fix VS Code Git Authentication Failed for GitLab
Nginx Configuration Test Failed: Fix Server Block Errors
Fix Windows Explorer Crash Loop: Step-by-Step Guide
How to Fix Yarn Permission Denied in VS Code
Windows 11 Installation Assistant Stuck at 99%: Fixes That Work
Nginx Upstream Connection Refused: Diagnosis and Fixes
Troubleshooting Docker Network Not Found But Exists
Fixing Docker Pull Access Denied in Docker Desktop
How to Resolve Nginx 502 Upstream Timeout
Nginx SSL Config Test Failure: How to Fix
Windows Security App Not Working After Update: Fixes
Fix VS Code Git Authentication Failed for GitLab
Nginx Configuration Test Failed: Fix Server Block Errors