Cannot Partition

Hello everyone,
I cannot partition my disk correctly using Boot Camp. I tell it to partition a 32gb partition, it starts partitioning then I get a screen that says I have to restart. However, everything freezes, and the only thing I can do is a hard reboot after which I find disk space missing, and I have to use install dist to repair my HD.
So how do I partition the disk? Is there some software problem I don't know about?
Thanks,
Misha

I have already repaired. I am still trying to partition the disk into two parts - Mac HD and Windows HD so that I can Install Windows.
The problem is not recovering the 10GB of lost disk space after a failed partitioning service, the problem is acquiring the 32GB of partitioned FAT32, Boot Camp compatible hard drive space that I can use to install Windows on. I have tried Parallels already but it simply does not give enough performance. I cannot run Autodesk Inventor on it without a severe graphics lag.
So, is there a way to successfully achieve the 32GB of partitioned disk space?

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