I am not able to open any files from a usb drive. It is connected and detected on my pc. But there is some problem with the pen drive. When I try to open some files from it fails to open. I am having some videos on it. When I double click on that I am getting a error message on the screen. The message is "This Operation Has Been Cancelled Due to Restrictions in Effect on This Computer. Please contact your system administrator". What does this error means. How to fix it.
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