Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Configuration Failed Rollback Changes

You start a Windows update, watch the progress bar, and then see: "Configuration failed. ...

Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...

BitLocker To Go Drive Not Recognized: Fixes to Try
You plug in a BitLocker To Go encrypted USB drive, but Windows doesn't show it in File Explorer. ...

Fix Windows Activation Blocked by Firewall
When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...

Fix Error 0x80070643 When Windows Update Stuck
You click "Check for updates" and Windows Update hangs or fails with error 0x80070643. This usual...

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...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Windows Update Configuration Failed Rollback Changes

Fix Windows Defender Not Opening Error 404

BitLocker To Go Drive Not Recognized: Fixes to Try

Fix Windows Activation Blocked by Firewall

Fix Error 0x80070643 When Windows Update Stuck

Fix Gradle Build: Could Not Find or Load Main Class

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