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 Update Error 0x80070002 on Windows 10

When Windows Update fails with error 0x80070002, it usually means the system can't find the u...

Fixing Python Dependency Conflicts with Incompatible Versions

You're working on a Python project, and after installing a new package, you get errors like <...

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

Python Dependency Conflict Resolution Best Practices

If you've ever run pip install and seen a wall of red text about conflicting dep...

Fix Chrome Access Violation Error When Opening PDFs

You click a PDF link in Chrome and instead of the document, you see an error: Access Violatio...

Update Git SSL Certificates to Fix 'unable to get local issuer'
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Issue queue Sitemap Fix Chrome High Memory Usage on Windows and Mac DNS Probe Finished NXDOMAIN Fix Guide Processing Large Files in Python Without Memory Errors Troubleshooting Out of Memory During npm Build Fix 'python command not found' on Windows Fix Windows 11 Bluetooth Not Connecting: Practical Steps npm run build: Cannot Find Module Fix Fix Chrome Crashing on Startup in Windows 10 How to Add Python to PATH Windows 11 Git Rebase Error: index.lock File Exists – Solution Fix Missing Extensions in Chrome Due to Sync Problems How to Solve Git Remote Origin Already Exists Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities