Using cable "USB-Blaster [USB-0]", device 1, insta

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Hello Everybody,

I've a serious problem, can anyone guide me plz it is really urgent,

m a beginner with Nios II IDE , and i was trying to upload hello World program into the DE2 but i face all the same problem: when i click on Run As:

Using cable "USB-Blaster [USB-0]", device 1, instance 0x00.

Pausing target processor: not responding.

Resetting and trying again: FAILED.

Leaving target processor paused.

I followed all the steps on the tutorials, but i could not troubleshoot the problem.

I tried version 7 and version 9.1 on Windows 7 and windows XP, same thing

I checked the pin assignment, there is no error,

Can any one guide me plz,

thank you

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something wrong with your driver, try to reinstall it