Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code 52)recently I installed windows 8 on my laptop. from a few minutes ago i cant use my usb port.usb mouse and usb keyboard isn't working.in DEVICE MANAGER i found human interface device / usb INPUT device in YELLOWdevice status> Windows ca
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