As I could see from surfing online and from download and upload speed in Vuze itself, there wasn't any problem( Internet problems is something that I see maybe twice a year in the worst case.
I was referring more to Vuze connectivity in particular. Doesn't seem to be a problem either way though.
This is fine too, usually I close Vuze by clicking it's icon in the right corner and choosing "Exit".
That is another way of closing it, yeah. I don't think this is the problem either.
Oh. Something like this i've seen. "Cant't connect to the tracker" and the upload speed is still fine. But this wasn't *that* often so I could lose something like 10gb... How can I check it deeper and avoid if this appears again?
Avoid closing Vuze when you see that, because there's a chance it might not send the proper information to the tracker. If you leave it running, it will just update next time it is able to connect. But yeah, 10GB is quite a bit to lose from something so infrequent.
I never heard of something like this. I have antivirus protecton from my provider, but it's only blocks websites... Even when I have payment problems, they block only surfing trough the browser and (really, strange) it's doesn't afects things like vuze or emule o.0 Anyway, if it was provider, wasn't my sharing ration unupdated a server at all?
The problem lies in the connection itself, which runs through the ISP into the Internet backbone. It doesn't have anything to do with software on your computer. Your ISP might have blocked the transmission of some data packets to the tracker.
Think of it this way - through a huge mass of wiring, you have a connection to the tracker from your computer eventually. At some point in that mass of wiring, you have to go through your ISP, which gives you access to the Internet. It's kinda like a hallway, where you are at one end and the tracker is at the other end, and the ISP is like a security guard in the middle of the hallway that stops some things from going through.
I should call them and check it with them?
I'm not sure, actually. I personally never had any problems with ISPs and BitTorrent traffic. See if anyone else here has some insight on that.
I never heard of dht, but I downloadig torents while authorised and don't change anything.
I'm not sure what you mean by "authorized," but if you don't know what DHT is, chances are that's not your problem.
Specs of my computer: win xp sp3, amd athlon 175GHz, 512 mb of RAM, quite old one.
What a fast processor

Anyway, I had somewhat higher specs when I used Vuze. Win XP SP3, Intel P4 3.0GHz, 1GB RAM. I don't think specs is the problem, though you probably feel that your computer becomes very slow when you are running Vuze because it uses so much memory.
So what are your Internet speed limits? I figure it might help a little.
Try this:
1. Download
uTorrent (or find it on Google, use version 2.01 or 2.02, not 2.1 because it's currently still in alpha testing) and install it.
2. Stop one of the torrents you are seeding in Vuze. You don't have to remove it. Pick one that you normally upload pretty fast to.
3. Open that torrent in uTorrent and point it at the data you have. Use the reseeding tutorial in the Wiki if you aren't sure how to do this.
4. Write down your current upload stats recorded on the BBT website, not in Vuze.
5. Let the torrent seed 1-2GB (over a week or two).
6. Add the amount you have seeded to the amount you wrote down in step 4. Check this with the updated amount on the website. Do you still notice a difference?
(note1: you can run uTorrent and Vuze at the same time)
(note2: keep checking back on the forums to see if anyone else is reporting similar discrepancies, and post a comment if you notice one. You might not be the only one)
(note3: in step 2, you can also choose to stop all your torrents so that the one torrent you open in uTorrent in step 3 can upload faster)
[edited] @edjekora refer to the next comment from Freedom Kira, it explains things better imo
Eh, you should have left your explanation. It might have explained things better to certain people.