Yes, I had that before I updated to 2.2 (Froyo). Not sure what caused it but removing the account with the negative messages (Hotmail in my case) fixed it, but it came back a few days later. No amount of syncing or refreshing seemed to fix it.
That happens to me as well every now and then, but it goes away eventually. Not sure at all what's causing it, and it doesn't seem to get in the way of the account working. I just pretend that -1 unread simply means that I forgot that I'd read a message.........
The neg email count is irritating...I love finding the reason (thanks Ted!) but the neg count doesn't go away unless I delete & reinstall the email account. Someone needs to build an app for this (ie, to change neg email counts to 0....).
i've tried deleting my email account but when i did that, it said that i first had to delete the apps that were connected to the account (??? don't know which apps were connected to my account) by resetting my phone and i didn't want to do that, so it looks like i'm stuck with -2 emails.
The only way to guarantee a fix for the negative email count solution is to clear out the email cache and data. Warning: Doing so would result in you deleting your personal settings and messages as well. The instructions are as follows :-
Head on to Applications Manager.
Swipe and choose All tab.
Find and select Email app.
Touch Clear Cache and Clear Data buttons.
Reboot the phone.
Setup your email account from scratch.
clearing out the email cache and data does not guarantee a fix for the negative email count. I did this and within a couple hours it started again. and it continues too add to the negative number that equals 0, this is very annoying. I was up to -15 when I tried the fix, now I am at -4 equals 0
I have a situation where my app is stating I have no unread emails when I would have, say 20.
I have 3 email account set up.
What I found is that when one particular account gets above a certain number of emails the icon will display a number, but it's always off by 40 emails.
There was something wrong with that particular account counter.
I removed that account and reinstalled and it's back up and working.
I have just read a way to get rid of this........
Hold down Home button
You will see a bar at the bottom
Press left icon (looks like a pie chart)
Next window that pops up should ne RAM manage
Click clear memory and that should work.
Did for me