Windows 7 Start Menu User Picture Remover is a free portable tool that allows you to remove the start menu user picture in Windows 7 with just one click.
Apps from door2windows are truly free and DON'T include any offers to install 3rd-party apps/adware/toolbars/unwanted software and never will. The apps are portable and don't require installation.
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How to use:
Just run the tool as administrator and click Remove Start Menu User Picture. Now the start menu user picture will be removed:
To add it again, just click Add Start Menu User Picture.