Fix Task Scheduler Service Unavailable Due to Corrupted Registry
You may see “Task Scheduler service is unavailable” when opening Task Scheduler, or scheduled tas...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Access Denied' Error in Windows Update on Windows 10
When you try to run Windows Update on Windows 10 and get an 'Access Denied' message, it usually m...
Fix Jupyter Kernel Not Starting in Anaconda
When you launch a Jupyter notebook from Anaconda Navigator or the terminal, the kernel may fail t...
Fix OneDrive Sync 404 Error After Windows Update
After a Windows update, you might see a 404 error when trying to sync files in OneDrive. This usu...
Fix Windows Defender on Mac Not Scanning Files
If you run Windows Defender on a Mac (via a virtual machine or Boot Camp) and notice it stops sca...
Fix Windows Security File Locked Error 0x80070020
You try to move, delete, or rename a file, and Windows shows error 0x80070020: "The file is locke...
Topic paths
Quick titles
Fix Remote Desktop Permission ErrorsHow to Fix Windows Defender Cannot Start Permission DeniedHow to Fix Blank Command Prompt InputResolve Error 0x80240016 in Windows DefenderHow to Fix BitLocker 404 Not Found and Permission Denied ErrorsHow to Reduce OneDrive CPU UsageOneDrive Login Loop Error Code Fix GuideClear SSL Certificate Cache in Windows 10