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 Security App Blocked by Antivirus

You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fix Git 'index.lock' File Exists Error on Linux

When working with Git on Linux, you might see an error like:

fatal: Unable to creat...

Docker Nginx 502 Bad Gateway: Memory Limit Fix
You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Fix npm ENOENT package.json Not Found Due to Wrong Directory
You run npm install or npm start and get an error like ENOENT: no...

Fix Chrome ERR_CONNECTION_RESET Caused by VPN
If you see ERR_CONNECTION_RESET in Chrome while your VPN is active, the connecti...

How to Fix Edge Sync Stuck on Preparing Sync
You open Microsoft Edge, click your profile, and see 'Preparing sync' — but it never fini...


    Issue queue
Sitemap
Fix NXDOMAIN Error When Using Custom DNS Server
How to Enable Windows Update Service Post Clean Boot
How to Set Git Bash as Default Terminal in VSCode
How to Use a Cloudflare DNS Propagation Checker Tool
Chrome Hardware Acceleration Causing Discord Black Screen Fix
How to Resolve Nginx Socket Connection Refused
Resolve Docker No Space Left on Device Windows
VS Code Workspace Save Permission Error Fix
VS Code Breakpoints Not Working in Angular Apps
Resolve Cloudflare 521 Error with DNS Fix
Troubleshooting Docker Network Missing Error
Nginx Upstream Socket Permission Denied Guide
Desk note

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