Minecraft force closes on Mojang screen?

So whenever I run minecraft and then it starts with the mojang sign, minecraft just force closes straight away, I've tried reinstalling java, deleting my saves and stuff but nothing works. Also, my laptop has 1gb of ram if that helps. Btw, there's no sign or message telling me that minecraft has crashed or ran out of memory or anything. How do i stop minecraft from force closing?

Minecraft can't run on your computer and creates a runtime error because you lack memory on your computer. 1GB of RAM is way too small for Minecraft.

Check this out. It will tell you the minimum requirements for Minecraft.

https://help.mojang.com/...quirements