I did run disk check on both drives, with both options checked, before posting here on sevenforums. I've downloaded the two tools and will be running tests. 
My Computer
At a glance
Windows 7 Home Premium 64bitIntel(R) Core(TM) i5-2300 CPU @ 2.804.0GBNVIDIA GeForce GTS 450
- Computer Manufacturer/Model Number
- MEDIONPC MS-7707
- OS
- Windows 7 Home Premium 64bit
- CPU
- Intel(R) Core(TM) i5-2300 CPU @ 2.80
- Memory
- 4.0GB
- Graphics Card(s)
- NVIDIA GeForce GTS 450
- Sound Card
- NVIDIA High Definition Audio
- Monitor(s) Displays
- SyncMaster 913N