Fix Windows Update Error 0x80070020: Port Already Allocated
When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChrome Profile Troubleshooting Checklist
If Chrome won't open, displays a profile error, or loses your bookmarks and extensions, the profi...
Fix Task Scheduler Stuck on Loading with Service Not Running
If Task Scheduler appears stuck on a loading screen and you see a message that the service is not...
Fix Outlook Migration Tool 'Permission Denied' Error
When using an Outlook migration tool, a 'permission denied' error usually stops the transfer mid-...
How to Run Windows Security Features on Ubuntu
If you need to run Windows-specific security features—like Windows Defender, Windows Firewall, or...
Fix Windows Defender Sync Issues with Microsoft 365
When Windows Defender fails to sync with Microsoft 365, you might see alerts like "Can't connect ...
Issue queue
SitemapOutlook Keeps Crashing When Searching Emails? Fix It Here
Fix Windows Update Cleanup Stuck Waiting for Other Updates
Fix Windows Security Not Starting Due to Third-Party Antivirus
PowerShell Offline Silent Install Command Steps
Troubleshooting Error Code 0x80070035 in Command Prompt
Remote Desktop Access Denied After Update: Fixes That Work
Windows Search Not Showing Results After Update: Fixes
Fix 7-Zip Cannot Open File as Archive on Windows 10
Fix Windows Defender Blank Screen in Windows 10
Allow App Through Windows Firewall – Step by Step
Windows Terminal Settings Sync: Cloud and Fragments
How to Resolve RDP Blank Screen Issue
Fix Windows Update Cleanup Stuck Waiting for Other Updates
Fix Windows Security Not Starting Due to Third-Party Antivirus
PowerShell Offline Silent Install Command Steps
Troubleshooting Error Code 0x80070035 in Command Prompt
Remote Desktop Access Denied After Update: Fixes That Work
Windows Search Not Showing Results After Update: Fixes
Fix 7-Zip Cannot Open File as Archive on Windows 10
Fix Windows Defender Blank Screen in Windows 10
Allow App Through Windows Firewall – Step by Step
Windows Terminal Settings Sync: Cloud and Fragments
How to Resolve RDP Blank Screen Issue