How to limit "Windows ProbIem Steps recorder" to a single monitor?

The last answer in the following post is the simplest solution, to go to single-monitor mode: http://answers.microsoft.com/en-us/windows/forum/windows_7-windows_programs/problem-steps-recorder-editing-trimming-the-screen/bbee545d-370e-407e-baa8-42ebbb7908db?auth=1.

The text of that answer follows:

In a two monitor setup and when you want PSR to only capture one monitor, this is easily resolved by temporarily disabling your second monitor. To do this, go to Control Panel\Appearance and Personalization\Display\Screen Resolution, and in the 'Multiple displays' drop-down, select 'Show desktop only on 1'.

An alternative solution was also posted in the thread:

If you have Microsoft Office Word 2007 installed, you can open the xxx.mht file in that program. Select the image you wish to edit, click the Format Tab and use the Crop tool.