Fix OneDrive Blank Screen Error 0x8004de40
You open OneDrive and see a blank screen with error code 0x8004de40. This usually means the app c...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Security 404 Not Found Error
If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...
How to Fix BitLocker Proxy Error Configuration
You're setting up BitLocker on a domain-joined Windows machine and get an error about a proxy con...
How to Set Up Certbot with Nginx on Ubuntu 22.04
If you're running Nginx on Ubuntu 22.04 and need a free SSL certificate, Certbot with the Nginx p...
Fixing PowerShell DNS Errors After a Windows Update
After a recent Windows update, you may see errors in PowerShell related to DNS resolution—things ...
How to Fix BitLocker Service Unavailable Error
You see a message that the BitLocker service is unavailable when you try to manage encryption, op...
Issue queue
SitemapSet Windows Update Memory Limit to Reduce RAM Usage
Windows Terminal Update Failure Guide
Windows Terminal Black Screen Diagnostic Steps
Fix BitLocker Group Policy Override Not Working After Reset
Fix Teams on Mac by Clearing Cache
How to Fix Access Denied in Task Scheduler for Network Drives
Windows Security Certificate Error Connection Refused Fix
Troubleshoot High PowerShell Memory Usage
BitLocker Mac Troubleshooting Guide
BitLocker Permission Denied Troubleshooting
Unlocking Files Blocked by Windows Security
How to Fix Rate Limit Error in Microsoft Store
Windows Terminal Update Failure Guide
Windows Terminal Black Screen Diagnostic Steps
Fix BitLocker Group Policy Override Not Working After Reset
Fix Teams on Mac by Clearing Cache
How to Fix Access Denied in Task Scheduler for Network Drives
Windows Security Certificate Error Connection Refused Fix
Troubleshoot High PowerShell Memory Usage
BitLocker Mac Troubleshooting Guide
BitLocker Permission Denied Troubleshooting
Unlocking Files Blocked by Windows Security
How to Fix Rate Limit Error in Microsoft Store