Checklists for software errors, setup, and tool workflows.

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Fix Git SSL Certificate Error: Unable to Get Local Issuer

If you see the error fatal: unable to access 'https://...': SSL certificate problem...

How to Rebuild Taskbar Icon Cache in Windows 10
If your Windows 10 taskbar icons appear blank, wrong, or missing, the icon cache may be corrupted...

Fix Git Push Rejected Due to Unrelated Histories
You try to push a local branch to a remote repository, but Git refuses with a message like ...

Fix Windows Update Component Cleanup Error 0x800f081f
When running Disk Cleanup or the Deployment Imaging Service and Management Tool (DISM) to remove ...

Fix 'npm package json not found' Error When Using npx
When you run npx some-package and see an error like “npm package json not found”...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git SSL Certificate Error: Unable to Get Local Issuer

How to Rebuild Taskbar Icon Cache in Windows 10

Fix Git Push Rejected Due to Unrelated Histories

Fix Windows Update Component Cleanup Error 0x800f081f

Fix 'npm package json not found' Error When Using npx

Fix Git 'index.lock' Error in VS Code

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