Windows Defender Authentication Failed: Step-by-Step Checklist
You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Search After Disabling Cortana
If you've disabled Cortana and find that Windows Search no longer returns results or runs slowly,...
Fix Outlook Cannot Connect to SMTP Server Error
You try to send an email in Outlook, but it fails with a message that Outlook cannot connect to t...
Fix Windows Security Backup Restore Failed Error Code
When trying to restore a backup using Windows Security (Windows Defender), you might encounter an...
Fix Task Scheduler 502 Bad Gateway After Windows Update
After a Windows update, you might see a 502 Bad Gateway error when using Task Scheduler. This usu...
How to Fix Remote Desktop Update Error 0x800f0982
If you see error 0x800f0982 when updating Remote Desktop or the Remote Desktop Services (RDS) rol...