Battlenet installing stuck at 45% FIX guide!

The Fix (Windows 10)
Below are the steps I used to help successfully get it back up and running:

Boot into safe mode
-run the command prompt as an administrator (shortcut Win+R) OR type in command prompt in windows search bar
-type msconfig and press enter
-go into the boot tab and check safe boot and select network
-click apply and okay and restart your computer

WMI Reset
-open command prompt again (Win+R) and type the following one by one clicking enter after each

  1. Command:

net stop winmgmt

Response: The Windows Management Instrumentation service is stopping.
The Windows Management Instrumentation service was stopped successfully.
2. Command:

winmgmt /resetrepository

Response: WMI repository has been reset.
3. Command:

net start winmgmt

Response: The Windows Management Instrumentation service is starting.
The Windows Management Instrumentation service was started successfully.

Notice: Access Denied Errors
You may run into an error message after the first command that looks like this:

The following services are dependent on the Windows Management Instrumentation service.
Stopping the Windows Management Instrumentation service will also stop these services.
Malwarebytes Service
IP Helper
Hamachi Tunneling Engine
Do you want to continue this operation? (Y/N) [N]: Y
System error 5 has occurred.
Access is denied.

If this is the case, you may have background services such as antivirus software that is running in the background. There are two work arounds to this issue. One is temporarily uninstalling these services. Two is the following:

  1. Go back into command prompt as adminsitrator with (Win+R)
  2. Go into the services tab and check ā€œHide all Microsoft Servicesā€
  3. Uncheck the boxes of the services that are blocking your command. (in my case Malwarebytes Service IP Helper Hamachi Tunneling Engine)
  4. Check Apply and Okay; this should send you into restarting into safe boot where you should be able to successfully input the commands

Boot back into normal mode
-command prompt msconfig again and uncheck safeboot
-restart into normal mode
-optional: manually clean up files in program files, data, user data, (I did this just to be sure, but I do not think it is needed)
-redowload the launcher and any other games

To recap, I booted my PC into safe mode and used commands for WMI to clean up my system. I ran into problems with background antivirus software and had workouts to disable them or delete them for the meantime. This may not be a one size fits all solution, but I hope this steers people in the right directions. If you have any more findings about how to optimize this process feel free to share in the comments so the community is aware

I hope this helps!

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I would like to add a fix that worked for me. I checked my date and time, on Win11 go to additional clocks, then check your internet clock tab. Mine was showing 21MAY52 instead of 21MAY25. Updated it, then the install worked.

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Thank you for this fix it actually worked for me, I have been trying to fix it scouring the internet since a couple days ago. Made a super detailed support ticket to Blizzard with logs and detailing the issue and got the classic response by some staff (probably automated) to check their article on the error codes although I’ve already said I tried everything there. Closed my ticket and told me to look for support from the community… billion dollar company though.

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Many thanks for all this info. Having the same problem with a new computer. Thought I’d need to get another set of game disks from Amazon but I’ll finish trying these ideas out first.

Here’s what finally worked for me. Uninstalled the original game (ā€œRetailā€) and restarted several times, while leaving the Cat Classic alone. Cat Classic now works fine. Haven’t reinstalled Retail yet but when that happens, I’ll put it on a different drive. I think that will work.

Hi, and thank you. Thanks to your method, I was finally able to access my Battle.net account again after two months. I had tried various methods, suggested by other users and even people who claimed to be experts, but only your approach actually worked. Thanks again!

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Thank you so much, Your method worked for me.

Thank you so much this fix my issue with no problems! <3

Mate, you saved me. Tx a lot

Your solution was perfect for my case. It not only solved issue with battlenet but also solved issue with nvidia statistics overlay which randlomly softlocked after few mins with constant cpu usage… with your solutions - 0 problems - haurs of play!
Thank you very much!!!

I normally don’t comment on forums. But this solved my problem all the way around. I have been working for 2 days trying to fix this. First after the update to battlenet on the Aug 5th none of the games was showing coming up with error that it was asleep, but the shop was open. I started looking for fixes did all the ones I could do including manually deleting battlenet. Which sent down another rabbit hole of not being able to download again. I thought I have tried this process before but maybe not. Or maybe it was the just the step by step instructions. Whatever it was I thank you!

Thank you for the fix! It has worked for me previously, but now I’ve been having the issue again for a week now and tried the method multiple times, and it JUST. DOESN’T. WORK. for some reason.
Will keep trying, but Idk if I should be resetting this PC a lot
Is there any difference between doing the process in safe mode than just doing it on regular mode and executing cmd as admin? Thanks again for your service man

For anyone struggling to get this to work here is another method

  • run cmd as adminstrator
  • cd into C:\Windows\System32\wbem
  • run: for /f %s in (ā€˜dir /b /s *.mof *.mfl’) do mofcomp %s

this rebuilds your WMI repository! which fixed the corruption for me (without a fresh windows install)
hope this helps!

1 Like

THANK YOU. I spent most of today trying to get this to work and absolutely nothing did. This worked first try. You’re an absolute legend

do you have some screenshot about that command for third step of your recomendation? not clear for me, what i need to write…

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