If you are running Interspire Email Marketer on an IIS server, then you will need to modify the permissions on the same files but a little differently (since there is no chmod on windows).
On a Windows server running IIS you will need to do things slightly different.
- Right click on the IEM/temp/ file and
go to the security tab.
- Click the add button then type in
IUSR_<Computer name> where <Computer name> is the name of
the machine you are running IIS on and click the Check Names button.
It should complete the name for you.
- Click ok and tick the Allow
modify option in the list. The write option should also become ticked
so that the all the allow tickboxes except for Full access and special
permissions should be ticked.
- Click ok.

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