hi guys...i'm trying 2 change my start orb using restorator,suddenly it stuck.so i cloce it by task manager.But after that,my explorer become crazy.i'm trying to fix problem by using system restore but everytime i click it or any program,it says unspecific error.try to open the fix problem in control panel but say no such interface supported .in hardware,my disk appear need troubleshoot .how can i fix this?really need help now here!

My Computer
- Computer Manufacturer/Model Number
- Acer Aspire 4520
- OS
- Windows 7 Ultimate x86/Ubuntu 10.10
- Memory
- 2.5 GB
- Graphics Card(s)
- Nvidia GeForce 7000M
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