I have got a desktop system from Zenith computers , I was using Windows Vista first which I was using for past 6 months, then I found it very complicated and I decided to change it so upgraded Windows 7 over it, when I had bought my system, it came up intel quad core processor, 2 GB of RAM over the intel Chipset motherboard . I need to update the Nic/usb connection, but on installing its drivers it prompts an error that says Operating system is not able to verify the digital signature for the drivers required for nic card. I do not know what does this means . I know that Digital Signature is required for the authentication purpose, but why it interrupts the network cards to get install. I want my system secure as well I do not want it to be penetrated by any other malicious object. Please help me in solving this issue . As far as I know I have made a bit of software and hard ware changes in my system recently, is it showing error due to this reason , please comment . It also shows some error with the source code 52 , which I do not understand at all.
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