Delete the actual topic file using FTP - that's the only way to get it done.
You can find out more information on the Accelerator at this URL:
http://community.infopop.net/6/ubb.x?a=tpc&s=729094322&f=1503071313&m=7453002313 --
Charles Capps
Programmer, Infopop Corporation
Please do not contact me privately for support - post on the board or open a support ticket instead!