Knowledge base for software setup, errors, and daily tool work.

7-Zip 'Cannot Open File as Archive' Error: Malware or Not?

You try to open a file with 7-Zip and get the error 'Cannot open file as archive'. This can happe...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Security Error: Missing Security Center

If you see an error saying Windows Security Center is missing or unavailable, it usually means th...