Workflow manuals for setup steps, repeatable tasks, and software operations.

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Windows Update Error 0x800f081f After SFC ScanNow

You run sfc /scannow to check system files, and it completes successfully. But when ...

Fix Windows Update Error 0x80070002: Missing File

If you see error 0x80070002 when running Windows Update, it usually means the system cannot find ...

Cloudflare DNS Propagation Not Working with New Domain: Fixes

You registered a new domain, set it up with Cloudflare, but after hours (or days) the site still ...

Fix Windows 11 Blue Screen After Update Using DISM

After a Windows 11 update, some users encounter a blue screen of death (BSOD) on boot. This often...