Checklists for software errors, setup, and tool workflows.

Fix Windows Security App Access Denied Error

When you open Windows Security (formerly Windows Defender Security Center) and see an 'Access...

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 Search Index Exclude Folder Not Working

If you've added a folder to the exclusion list in Windows Search indexing options but files f...

Chrome Sync Not Working After Disabling Extensions: Fixes

You disabled some Chrome extensions to troubleshoot a problem, and now sync has stopped working –...

Understanding and Fixing Git Detached HEAD State

If you've seen the message You are in 'detached HEAD' state in Git, you ...

Fix Firefox Secure Connection Failed DNS Error

You try to visit a website in Firefox and see 'Secure Connection Failed' with an error li...