Windows 7: Startup window

Hi. Lately I've been experiencing this strange thing happening with my windows 7 startup. When it loads my desktop, there is a tiny window in the top-lefthand part of my screen. And when I open task manager it's named window1, I can close it and my computer still runs fine. But I'm just curious if anybody else has encountered this problem or knows how to stop it from opening every time I boot. Thanks

Firstly post a screenshot of the Startup Tab of Msconfig, expanding the Command and Registry location or manually write the details..

Then download Malwarebytes and run a scan and clean everything it finds, then do the same but with Microsoft Security Essentials. Lastly run an ESET Online Scan

Next download CCleaner, go to Startup Tab, disable and remove all the Startup Entries. You may want to see if this also helps: Anti-rootkit utility TDSSKiller. Finally run a SFC Scan

If none of this helps, you could post it in Security Section in this forum, or in a Forum full of experts who can handle viruses.