Okay so when i click on the occlude background geometry button and use the multi select button ( b ) it goes all black and same happens when I use texture paint. Also when I normally use the ( b ) button it doesn’t show where it is selecting and blender just seems like its acting very weird compared to how it does on my friends computer. Please help this is very annoying. :shrug:
Blender acting weird!!
Check if your video card vendor has any updated drivers as this sounds typical of video card issues.
fktt
#3
indeed as Richard said, it does sound like a video driver issue,
I wonder what card do you have?
Also in case you are already using the latest drivers for your video
and you feel the issue isn’t with your card,
perhaps try submitting a bug report.
Lodo13
#4
Processor- Intel® Celeron® CPU 540 @ 1.86GHz 1.86 GHz
RAM- 2.00 GB
System Type- 32-bit Operating System
fktt
#5
Yeah, thats the central processing unit(cpu) and random access memory(ram) amount listed,
but what graphics processing unit(gpu) do you have? 
I’m going to guess either intel integrated media accelerator
or perhaps something as hideous as a via s3 or some such. :surprised
fktt
#7
Don’t think there should be any such problems with 2.5x version of blender
but 2.49b and earlier versions are built using openGL in a way
which exposes a limitation/bug in intel video drivers.
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