Win7 system prompts "cannot copy, file path too deep" how to do?

Win7 system prompts "cannot copy, file path too deep" how to do?

Reason one: USB device problem, it is not unrelated to the principle of its manufacture.

Workaround:

Method 1: Safe exit U disk, after the safe exit, the U disk from the computer USB interface unplug, and then insert a U disk into the computer, data backup operations.

Method 2: If the method 1 operation, or appear this problem, then you need to safely exit the U disk, the U disk pull down, insert the computer, change other USB interface, in the data backup operation.

Reason two: when the computer or U disk in the virus trojan, there will be "unable to copy the path too deep" situation.

Solution: Use antivirus kill Trojan software on the computer and U disk for the overall scan, do not rule out the stubborn virus, recommended in the PE system (such as Pocket PE) for the overall anti-virus kill Trojan,