Error Message : Windows cannot access the specified device, path or file.
If in Windows Vista, when you try to open a file, say .exe file, you get a dialog box saying:
Windows cannot access the specified device, path or file.
You may not have the appropriate permissions to access the item.
Here is what you may try.
Right click on the file and open Properties.
Under General tab, towards the bottom you will see classified under Security : This file came from another computer and might be blocked to help protect this computer.