Go to Start > Programs > Windows Updates
Click "Review your revision history."
Click the failure icon under the Status column for the failed update in question.
A pop up window will appear. There you will find the Installation Failure Error Code.
Go to Start > Programs > Windows Updates
Click "Review your revision history."
Click the failure icon under the Status column for the failed update in question.
A pop up window will appear. There you will find the Installation Failure Error Code.