Fix Port Already Allocated Error with netstat
When you try to start a service or application and see "port already allocated" or similar, it me...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Search Service Troubleshooting Checklist
When Windows Search stops returning results, uses excessive CPU, or fails to index files, the cau...
Configure Windows Update to Trust a Custom SSL Certificate
If you manage Windows updates in an enterprise environment, you may need to use a custom SSL cert...
Fix Outlook Network Error Permission Denied
You try to send or receive mail in Outlook, and get a network error saying 'permission denied'. T...
Fix Task Scheduler 'Access Denied' When Running as Admin
You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...
How to Fix Task Scheduler Access Denied Errors
When you see an "Access Denied" error while trying to create or run a task in Windows Task Schedu...
Topic paths
Quick titles
Troubleshoot Remote Desktop Black Screen IssueWindows Firewall Setup ChecklistHow to Fix Teams Proxy Connection RefusedWindows Login Loop Troubleshooting GuideWindows 10 OneDrive Sync Timeout TroubleshootingWindows Activation Error 0xc004c003: Fix GuideFix Chrome 'Permission Denied' for Notifications Not WorkingStop Chrome from Crashing in Windows 10