Defraggler v1.12.152 blanks screen

This bug looks like related to the video card or associated video driver, but it only happens when I press the "Defrag" button.

How to reproduce this bug:

1- I move one by one 4.3 Gb. files to another drive.

Every time I move one file I press "Analyze" and then "Defrag"

2- Once the file has been defragged, I transfer the next file and repeat the step 1.

Defraggler is always open, I do not close it.

After repeat this proceeding for around ten times the blank screen shows up.

If I move the mouse, I can see the objects reappearing again, such us the buttons, the Windows taskbar and so on.

The way to correct this is restarting Deflagger.

This bug could be correlated to the post "Defragler uses excessive GDI objects" ---> http://forum.piriform.com/index.php?showtopic=23284

I am running Windows XP SP3 with a Nvidia 7800 GS card

OK, here it is a screenshot from today, when again the problem showed up

shot1f.jpg

and here is possible to see how the title bar and icon in the Windows taskbar reappear when I move the mouse:

shot2vxd.jpg

We are working on this. It will be fixed in the next release.

Thank you.