Try running it as Administrator

It will show "Can't create Session" message

You have something wrong with the setup of your Sage 300.  I'd uninstall and re-install it.  Check your permissions and make sure that anti-virus software is up to date and isn't flagging any of the Sage files.

You have something wrong with the setup of your Sage 300.  I'd uninstall and re-install it.  Check your permissions and make sure that anti-virus software is up to date and isn't flagging any of the Sage files.