[Solved] Drag and Drop Not Working in Windows 7

Drag and Drop Not Working in Windows 7

I have a new problem that has cropped up just in the last week or two.
I can no longer drag and drop my files and folders in Windows Explorer.
I have Windows 7 on a HP Notebook.
It came installed on the computer last December when I bought it (09).
I've never had an issue with it since then, and I'm not sure how to find the settings to enable drag and drop or re-enable it.
I know I've done it before on this machine, many times- and just noticed it first in  Thunderbird, (my email desktop application)
then in explorer.
I did recently install the SP1 (spelling??) a few weeks ago, and have installed a few other odds and ends programs, but I'm pretty sure drag and drop was working okay until a few days ago. 
Any help would be appreciated.
As a genealogy writer, that's a must have feature. 
Thanks.

Anwsers to the Problem Drag and Drop Not Working in Windows 7

Download SmartPCFixer to Fix It (Free)

This happened to me yesterday.

In Windows Explorer, click a file with the left mouse button and keep the button held down.
Then press the Escape key.
Drag and drop is miraculously re-enabled.

I think just pressing the escape will work too but I'm no longer in a position to test that.
I got this from http://it.thelibrarie.com/weblog/2010/06/drag-and-drop-stops-working/

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