Why does my computer shut down when i try to upload pictures to facebook?

[charlut]

whenever i try to use the new facebook uploader i enter the photo i want and then it says uploading at the little notification box but then a popup comes up and tells me i have to restart my mac. I always restart my computer and it still is happening. whats wrong?
* i have tried on my other HP computer.

[Andrew]

You're using a mac.

[Vulgarstep674]

Try resizing the pics smaller in your Mac paint program. Try 640 x 480 pixels. Resave as JPG, medium quality. Then the file sizes will be a lot smaller and they will upload quicker. I hope this fixes it. Good luck!