hi yes i keep getting this error code about stream and ite been like this for 3 hours now, lastnight this mmo was working perfect and now this patch its doesnt and im not the only one so blizzard fix it right now please.
Stream error WOW51900322
ps also what with wow using 2,000mbs?? that insane
Same problem: scan and repair did not work…
no does its on blizzard end as there side causing the streaming to overload, we get the code cause there servers have cut us off.
Too this problem all day, to try today re-install bnet + wow… 
Chiming in. Did a full repair of the game and battle net. I do not have any addons installed and my game keeps disconnecting with the same error after about few seconds.
It is not my internet connection as I run 1000mbps download and upload fiber service and no other program or game right now on my pc are having issues. My drivers are up to date so that is not the issue either.
Wow was running fast until the present patch.
yeah it was running absolutely perfect lastnight untill the patch… now i have for 2nd time uninstall and reinstalling as the patch has corrupted a file
Uninstall and reinstall did the trick (for now) for me.
I am glad something worked for you. Sadly I just tried it and it did not solve the problem for me 
ugh count me in too for this problem the last 1 hour is been a horrible experience
not getting in-game been trying that 10 times getting in the game could do some mobs in uldum TP`d to DF and boom disconnect after disconnects its nice to get a rework on my paladin but I get hell annoyed that i can’t do anything without being saved after each crash
this is just a horrible experience for those who have this problem and i am not that long back from my 6-year break of wow maybe its time to take another 6 years now ( just joking ofc ) but this is hella annoying
with or without addons i get the same problems
ahh yea before the patch i have been playing without an issue all that time so i am sure
its not me patch day and boom no play day for me
if re-installing the whole game is the only option i just quit. my internet is way to slow for a ~100gb download.
1 time download is enough for me.
I have the same issue 
Like First i had issues with the Beta of Diablo 4.
Then after the beta when i wanted 2 go on the PTR i had issue.
I have a feeling that Diablo 4 broke stuff up :s
Diablo 4 was amazing tho but it borked file i think
I am going to un-install and re-install, I will let you know how that goes
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right everyone with the same issue you need to uninstall and reinstall it as the patch has corrupted all files and repair doesnt work
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well this made it even worst for me bnet app initializing loop not downloading the game at all i give up for today this is horrible not your fault that i wasted a couple of hours of doing nothing now hope other wont have the same issue
well after being pissed off and yelling at the bnet app it finally works but man this ruined my day for today https://www.youtube.com/watch?v=SH6kiIa5gIk <— that fixed it for me
on top of that the reinstall fixed the problems with the disconnecting of the game i want to thank you for giving us that info that a reinstall can fix it
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no worries it jsut proves that the patch corrupted all game files and yes its a pain in the backside for elvui as you need to restart the setup
Same here. I can’t login - Streaming error. Followed all the troubleshooting instructions and still not working!
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Have the same issue, Yet none of my friends do.
I too have the disconnect issue. It’s worse if I am in Dragon Isles when I get into the game. One of my toons was in Orgrimmar and that one lasted for 10 minutes (most don’t get past a few seconds).
I have tried everything Blizzard suggested, with and without addons, flushing network etc etc. I’ve uninstalled and re-installed the game along with battlenet. Still it persists.
What’s more concerning to me is that Blizz don’t seem to be acknowledging this issue as I can’t find anywhere that they say they are investigating. There was a patch overnight last night (early morning 23rd March) but that was fixing other issues and nothing mentioned about disconnection / streaming problems.
I have not been able to play now since the start of 10.0.7.
For info, it’s worse on my main server - EU Draenor. EU Saurfang still has the issue but it takes longer to manifest. I’m guessing that’s due to Draenor being a ‘full’ server.
The issue is with the game and blizzard, nothing at my end has changed, so come on blizzard, sort your game out!!
Update:
After trying a full download re-install that didn’t work, I found a previous Shadowlands install on a different HD. I then deleted the Dragonflight install and copied over the Shadowlands one. Started BNet, updated game and everything seems to be working again! I have no idea how or why though.