Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Enable Network Discovery for Shared Folder Access
When you can't see other computers in File Explorer's Network section, or you get an erro...
Windows 10 Taskbar Icons Not Showing? Here's How to Fix It
You log into Windows 10, and the taskbar is nearly empty—no icons for open apps, pinned programs,...
Fix Docker 'No Space Left on Device' from Log Files
You try to start a container or pull an image and get no space left on device. Often...
Fix 'docker network not found' When Connecting Container
You try to connect a running container to a Docker network and get Error response from daem...
Fix Windows Update Service Not Running with DISM Restore Health
You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...
Topic paths
Quick titles
How to Fix BITS Service Causing Update Hang on Windows 11Resolve Docker Desktop Error Code 0 Engine StoppedFix No Internet After Windows 11 UpdateFix ERR_NAME_NOT_RESOLVED with ipconfig /flushdns in ChromeMac Edge Sync Setup: Turning On and TroubleshootingTroubleshooting Docker Private Repository AccessDocker Volume chown Permission Denied: Quick FixesResolve Git Pull Unrelated Histories Error