Sorry, but I have to bring this old thread up. I got this problem in my administrator account andf now I found why
I use UBB.threads for a very long time and upgrade from the cgi version. I never use the administrator account (user ID 2) in V7.x and work with my own admin account (user ID 3). After login in the administrator after 10 years (
) I found -176 PMs (yes negative!) 1 unread message and a flashing icon that still flashes after deleting the unread one.
So I start digging in databse with phpMyadmin and found the problem. Look into theses 3 tables:
and sort it for USER_ID
I found postings with ID 0 and ID 1
Theses comes from the very old Threads versions. I chance the User ID 0 and ID 1 in all three tables to ID2 and log in my administrator again. Now I see a lot of very old (from 2004) postings and delete it. The Icon still continue flashing and I check the tables again. ID 0 and ID 1 ist clear, no postings left but for ID 2 I found some entrys that dont match. Leftover pices. I delete all rows that contains ID 2 an theses three tables and the flashing is gone. This account is now free of junk and work as it should. I send test PMs and delete ist, all fine.
Conclusion: If you have a flashing icon after deleteing all PMs in Threads check theses 3 tables in phpmyadmin for the USER_ID and delete all rows of this ID.
Be carefull and do a backup first. This kill all
private messages for this user. Your sent out messages will be killed too if they be in a PM of an other user! For me this was the only way to clean up my Master Admin account after all the updates and upgrades.