Fix Windows Security 404 Error & Missing Files
If you see a 404 error in Windows Security or get messages about missing files, the Security Cent...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Access Denied When Activating Windows via Command Prompt
You're trying to activate Windows using Command Prompt, but you get an 'access denied' error. Thi...
Fix Windows Update 504 Gateway Timeout Related to Firewall Settings
If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...
BitLocker Network Unlock Error 0x80070035 Fix
When BitLocker Network Unlock fails with error 0x80070035 (the network path was not found), the s...
Fix Outlook SSL Certificate Error 0x80048820
You try to connect Outlook to your email server and see error 0x80048820. The full message often ...
How to Unlock a File in Use by Another Program in Windows
You try to delete, rename, or move a file in Windows and get an error: "The action can't be compl...