Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix 'Permission Denied' When Activating Python venv

When you try to activate a Python virtual environment with source venv/bin/activate ...

Docker Desktop Engine Not Starting After Reboot: Fixes

You restart your machine, launch Docker Desktop, and the engine stays stuck at “Starting” or show...

How to Reset Taskbar Icons in Windows 11: 4 Methods

If your Windows 11 taskbar icons are missing, showing generic file icons, or acting strangely, th...

Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer

If you're seeing fatal: unable to access 'https://...': SSL certificate problem...

Fix Windows 11 Installation Assistant Stuck at 99%
Many users report that the Windows 11 Installation Assistant gets stuck at 99% during the upgrade...


    Issue queue
Sitemap
Fix 'Git Remote Origin Already Exists' on Bitbucket
Resolving 'index.lock file exists' in Git on macOS
How to Fix Git 'index.lock' File Exists Error
Edge Browser Sync Error Fixes
Chrome ERR_NAME_NOT_RESOLVED Mac Fix Guide
How to Fix 'Unable to Get Local Issuer Certificate' in Git
Chrome Certificate Error After Update: Quick Fix
Windows 11 Bluetooth Troubleshooting: 10 Fixes to Try
How to Fix Windows 11 Blue Screen After Update Using Clean Boot
Fix VS Code Source Control Not Detecting Changes on Windows 11
How to Fix Nginx Redirect Loop: Step-by-Step Troubleshooting
Set Up Python Virtual Environment in VS Code
Desk note

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