I have just downloaded the 30 day trial of Civil 3D and am having issues completing the install. I run the steup.exe file, it brings up the initializing screen, and always errors with the message:
"The system cannot open the device or file specified.
The "_AI8556" part changes every time I try to open it, but the rest stays the same. I have admin access on this computer. I'm also unsure why the "x86" part comes up when I am trying to install the 64 bit version of the software. If anyone has any ideas that may help me complete the install, please reply. Thank you.
A lot of this lately is caused by anti-virus protection. Make sure it is disabled, UAC is off, and you have local admin rights when installing.
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