Checklists for software errors, setup, and tool workflows.

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Update Git SSL Certificates to Fix 'unable to get local issuer'

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

How to Fix Git Merge Conflict Permission Denied Errors
You're in the middle of a git merge, and instead of the usual conflict markers, you see

Fix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...

Fix VS Code Source Control Not Detecting Changes with Permission Denied
You open VS Code, make edits, but the Source Control panel shows no changes. Or you see a "pe...

Fix Windows 11 Update Stuck at 0% with Clean Boot
You start a Windows Update, but it sits at 0% for minutes or hours. This can happen after a faile...

Fix 'git remote origin already exists' with Wrong URL
You run git remote add origin <url> and get: fatal: remote origin alread...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Update Git SSL Certificates to Fix 'unable to get local issuer'

How to Fix Git Merge Conflict Permission Denied Errors

Fix Chrome Hardware Acceleration Black Screen in Windows 11

Fix VS Code Source Control Not Detecting Changes with Permission Denied

Fix Windows 11 Update Stuck at 0% with Clean Boot

Fix 'git remote origin already exists' with Wrong URL

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