Checklists for software errors, setup, and tool workflows.

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

How to Repair an Outlook Profile to Stop Crashing

If Outlook crashes repeatedly, especially during startup or when accessing email, a damaged profi...

Fix Windows Defender Not Starting Due to Invalid Config

If Windows Defender won't start and you see an error about invalid configuration, the problem is ...

How to Clear OneDrive Sync Cache and Fix Sync Issues

If your OneDrive files are stuck syncing, showing error icons, or the process uses high CPU, the ...

Fix Windows Defender Error 0x8007042c: Network & Setup Checks

You see error 0x8007042c when opening Windows Defender or during a scan. The message usually says...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...