Anyone else having problems w/attachments?

I can open old attachments (put in with rt 2.0.9) fine. But new attachments
put in with 3.0.0 do not open, they show up as encoded text.
Anyone else seen this - and do you have a fix?
Nicolae P. Costescu, Ph.D. / Senior Developer
Stronghold Technologies
46040 Center Oak Plaza, Suite 160 / Sterling, Va 20166
Tel: 571-434-1472 / Fax: 571-434-1478