hi, when opening blizzardnet i am getting error BLZBNTBNA00000006 and BLZBNTBNU00000001, i have tried every option to fix it, but none worked, i have also tried to uninstall blizzard so i can re-install it but it doesn’t let me do that. This is frustrating as i planning on playing wow again but i cant subscribe if the launcher wont even work as i wont be able to access the game. Is there anything that can be done?..
i have tries submitting tickets, but some reason its not letting me.
Hey, Klypsy! It sounds like the app is out of date based on these two errors. I am seeing that the version showing is 1.12.5.10733 for you, which is a bit old. Let’s try the following steps to wipe the Blizzard Application and reinstall.
If you check the Settings (Blizzard Logo at the top left corner), at the bottom left corner, the current version should show as 1.16.0.11646.
hi Caterpepi, thats the problem, its not letting me uninstall the program either,when i try to uninstall i get the BLZBNTBNU00000001 error (even after following your steps and the steps that were provided by clicking on the error). and trying to use new version of the setup gives me an error anyways. 
Hey, Klypsy! Sorry, I missed adding this to the original post since you’ve been unable to uninstall the App. Instead of step 1, could you try deleting the files directly? Start with Step 2. By default, the Blizzard Application should be in %programfiles(x86)%. Add this to step 4.
Just to make the steps a bit more clear 
hi Caterpepi, thanks for the reply, i managed to uninstall battlenet now, but its not letting me install it now. BLZBNTBTS0000005C, i tried the steps again to try get it to install, but no use…
Hey Klypsy,
This error may be caused by background programs, such as security software. Try a selective startup and then disable or temporarily uninstall any security software if this persists. You can always reinstall that security again once this is resolved.
If this keeps happening, let’s get a DxDiag to take a closer look:
DXDiag goes here
If you have issues pasting here, please use Pastebin and post the link (ex: Pastebin (dot) com/123456).
having same issue and i cant install my paid games.
so i came home like 30 min ago and wanted to play some wow but batle nett wouldent eaven start, after some troubleshoting i solved the problem by deleting the battle nett folder ( not the actual app) by pressing windows key x r key and typing C:\programdata. now there should be a battle.net folder u just delete and then try to run app again. i still cant logg into wow but atleast battle nett app works now
hi, i have saved the DxDiag, it noticed that i has machine id and other such details, is it save to post this in a forum?
Thanks, Klypsy! Could you actually see if the Application will install on a New Admin account? That error is usually signs of registry issues or issues with the Windows Management Instrumentation.
The DxDiag is safe to post here and if there’s any concerns with the PC name that can be edited out. Most of the potentially personal information is at the top. The rest is just hardware details.
hey, just wanted to let you know that i reset my pc ((settings/update security/recovery/reset and keep files)) and now i managed to install battlenet …to anyone doing this, it will remove every app you have installed. however it was worth it in my opinion as now its like i have a clean install without loosing any of my personal data.