[horde] Problem with Horde Install

[Bruce Pea]

OK, I seem to have got the initial login problem solved. When I point my browser at http://my.domain/horde/imp I now get the login screen and after logging in I get the 'IMP Maintenance Operations' screen. Now, it doesn't matter if I run the maintenance or say skip, at this point my browser just sits after pressing either 'Perform Maintenance' or 'Skip Maintenance' and eventually I get a pop-up saying 'Connection closed by remote server'.

I checked my syslog messages and found this:
Feb 24 12:27:49 www httpd: IMAP toolkit crash: Lock when already locked
Feb 24 12:27:50 www /kernel: pid 885 (httpd), uid 65534: exited on signal 6

I have no idea what it means... I checked my hordelog and found this:
Feb 24 12:22:24 HORDE [notice] [imp] Login success for pea [192.168.10.11] to {192.168.10.3:143} [on line 51 of "/usr/local/apache/htdocs/horde/imp/redirect.php"]

Next I checked my maillog and found this:
Feb 24 12:32:05 www imapd[1056]: Authenticated user=pea host=www.andrewpea.com [192.168.10.3]
Feb 24 12:32:05 www imapd[1056]: Moved 1316 bytes of new mail to /home/pea/mbox from /var/mail/pea host= www.andrewpea.com [192.168.10.3]

Seems like imapd is working alright.

I checked my Apache error log and found this:
[Sun Feb 24 12:37:07 2002] [notice] child pid 884 exit signal Abort trap (6)

My Apache access log has this:
192.168.10.11 - - [24/Feb/2002:12:37:06 -0600] "POST http://www.andrewpea.com/horde/imp/mailbox.php HTTP/1.0" 200 -

Can anybody help me solve this?

Thanks -
Bruce