hi guys
I do not know the cause of the problem but will enclose a copy for image 
what should i do 
i download the file 5 times 
i have Direct X .9
ram 2gb
nvidia geforce 9800gt 2GB
don’t run games in parallel to unity, especially not games that want exclusive access to the graphics buffer as it seems (the stuff you see there is trashed backbuffer data with horizontal offset - the whole unity editor content you see is 100% gpu accelerated, no OS UI at all)
Alternatively check if your graphics card is fine and reasonable (for Unity 4, I would say that a Geforce 7 / ATI HD 3xxx is a minimum) and that the drivers are up to date
i try to start without anything and rstart the computer but it is still the same
What version of Unity are you using, and your pc specs?
i use 4.0.7v the last one
i have 30 GB free
What about CPU and I take it you’re running Windows XP from the screenshot.
intel dual e2200
GHz? And what happens if you run an older version of Unity.
i try 3.4.4 he is work i will download him agine