I found it MS 815021 was the culprit. -----Original Message----- From: Joanne Determann Sent: Monday, July 19, 2004 2:16 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] adobe reader error after installing security patches My boss just installed about 18 MS security patches on Windows 2000 MF server. One of them caused an error in Acrobat Reader exe. Has anyone else experienced this? I suspect it's one of the IE ones. Off to start plowing through the list. Thanks,Joanne