As WW says if you tell us the exact software you are using, and the version numbers, we will be able to help you more.

Are you using software to skin your OS by any chance? I have had a few problems with people using software like this, and it has difficulty skinning some software programs, resulting in missing buttons and scroll bars etc.

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Rig Specs: Custom Built:
ASUS M2N4-SLI
AMD Athlon 64 X2 Dual 4600+
512MB SLI NVIDIA GeForce 7950GT OC
2.00 GB Elixiur RAM
400GB Hitachi SATA II HDD
Western Digital 120GB IDE HDD
Samsung SyncMaster 932B Monitor
More to follow soon.....