Problem with message alerts-

[Volcompat321]

For a few days now, I've been having a problem with my messages not alerting me.
I have it set to alert for new messages and whatever else I can be.
Is anyone else having this problem?

[Dhylec]

Try cleaning out old cookies. New posts & messages are affected by your site cookie. Browsers might have incorrect info reading expired/problem cookies.

[Volcompat321]

So you mean if I have lots of private messages, this could effect it?
I have...almost 1000 PM's in my box. :/
Also, this may be a stupid question, but how do you clean out cookies?

[Ryna]

You'll need to go into more detail about the problems you are experiencing. Also, which style are you using?

[Volcompat321]

Alright, let me try.
First, I figured out how to do the cookies thing, I haven't gotten many messages since, so I don't know if that fixed it.

Alright, the problem; I'm using Firefox(newest one), with Blue Steel style(default one).
Sometimes when I log on, and I have multiple messages, either PM's, or visitor messages, the message telling me when I have a private message doesn't show up.
The messages shows up if there's only 1 private message, but not if there's more than one of any type.
So, say I have 2 private messages, the little pop up menu that is supposed to show up, doesn't show up. (I have the option to alert me when I have private messages clicked)
If I have 1 PM, the alert comes up. If I have 1 PM and 1 visitor message, the alert wont show up.
I've checked on the User CP many times to see if somehow the alert got turned off, and it hasn't.
Hope this helps.

[Ryna]

It could be an issue with your browser blocking pop-ups. There could also be a bug in the forum code. I looked at the database and nothing seems wrong with your account settings.

[Volcompat321]

The messages pop up on the official forums. Also, I use the Firefox, I don't think there is much of a pop up blocker.
It might have just been a hiccup, I haven't had the problem since I posted pretty much.
Also, Dhylec suggested me cleaning my cookies, I did so, and this might have been the solution.
Though I don't know anything about how that works.
Seems fine so far today and yesterday.