Checklists for software errors, setup, and tool workflows.

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

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

fatal: Unable to create &#...

Fix VSCode Save File Permission Denied Error

You try to save a file in Visual Studio Code and see 'Permission denied'. The file might ...

Fix Git Clone Connection Timed Out via HTTPS

When cloning a repository over HTTPS, you may see 'Connection timed out' after a long wai...

Fix 'network not found' Error in Docker on Linux

When you see docker: Error response from daemon: network <name> not found on L...

How to Fix Cloudflare SSL Full Strict Error

If you see a Cloudflare SSL error when using Full (Strict) mode, your origin server is not presen...

How to Fix Windows Update Service Not Running After Update

After a Windows update, you might find that the Windows Update service itself stops working. This...