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

Fix Windows Activation Server Not Available Error

When you see the message "Windows activation server is not available" while trying to activate Wi...

How to Fix BitLocker SSL Certificate Error

Symptoms

When you try to unlock a BitLocker-protected drive or enable BitLocker, you may ...

Fix Task Scheduler 502 Bad Gateway Permission Denied

You set up a scheduled task to call a web endpoint, but it fails with a 502 Bad Gateway error and...

Fix OneDrive Token Expired After Password Change

After changing your Microsoft account password, OneDrive may stop syncing and display an error li...

Windows Search 502 Bad Gateway: Troubleshooting Checklist

When Windows Search returns a 502 Bad Gateway error, it usually means the search service or its d...

How to Resolve Git Pull Merge Conflicts During Sync

When you run git pull to sync your local branch with the remote, you may encounter a...