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Deezer App HIGH CPU Usage on Windows


I am using Deezer 4.3.4 Windows app 32 bits and it has an average of 50-55% of CPU usage. This is incredibly high for a simple streaming app. I do not know what is does on the background, but I know it;s not decoding NASA data. Maybe it's farming Bitcoin... It;s outrageous! I have a i5-7500 wih 3.40GHz , 8GB RAM. Seriously thinking to cancel subscription and uninstall if this is not "fixed" in the next update! Fix your app!

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Best answer by Vladut Dascalescu 29 March 2019, 15:14

Hi @Rudi ,

Followed the steps and now it seems to work fine after an hour of listening. It only consumes 5-10% of CPU, which is acceptable. I'll come back if the problem reappears.
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Userlevel 7
Badge +6
Hi there @Vladut Dascalescu

Could you please uninstall the app, then search for %appdata% on your start menu and then delete the Deezer folder. After that, reinstall the app and let me know how it goes.
Hi @Rudi ,

Followed the steps and now it seems to work fine after an hour of listening. It only consumes 5-10% of CPU, which is acceptable. I'll come back if the problem reappears.
Hi there @Vladut Dascalescu

Could you please uninstall the app, then search for %appdata% on your start menu and then delete the Deezer folder. After that, reinstall the app and let me know how it goes.


Not working for me. Still high CPU load, still freezes on Win7, Win10.
I am using Deezer 4.3.4 Windows app 32 bits and it has an average of 50-55% of CPU usage. This is incredibly high for a simple streaming app. I do not know what is does on the background, but I know it;s not decoding NASA data. Maybe it's farming Bitcoin... It;s outrageous! I have a i5-7500 wih 3.40GHz , 8GB RAM. Seriously thinking to cancel subscription and uninstall if this is not "fixed" in the next update! Fix your app!



Not working for me. Still high CPU load, still freezes on Win7, Win10.
It has low CPU usage just for short period.
Userlevel 3
Hey @Jozef is the CPU this high when you stream/download or when the App is started but you're not listening with it yet? 🙂
For me, I just listened/steamed. The app froze and force closed several times in the evening. After restarting the app the third or fourth time, my fan was forced to run at 80% all the time. When I checked CPU temperature, it was 68° Celsius, which is by far more than I have during gaming session.
So I've got to say that this is the worst app in power consumption. Especially when it comes down to efficiency..... Streaming music but working as if it pulled tractors around ^^
Userlevel 7
Badge +6
Hey @Die Sauers

Could you please trying uninstalling the app, searching for %appdata% and deleting the Deezer folder? Then you should restart your PC and reinstall the app again to see if the CPU consumption changes. Let me know!
Followed the steps listet above:
30 % on my i7... unbelievable.
Goes down to 20 % if not listening.

Because I have to work with this computer, there must be a solution. Otherwise I will have to uninstall it and switch over to another service like Spotify, Google Music or whatever.

Always liked deezer more than those. But if I cannot use it, I am not willing to pay for it.
Userlevel 7
Badge +7
HI @cm.wug

I've just checked mine and it's using under 10% of my processor whilst I'm streaming music.

Is your machine up to date with all of it's Windows 10 updates and also the latest version of Deezer app from the Windows store?
HI @cm.wug

I've just checked mine and it's using under 10% of my processor whilst I'm streaming music.

Is your machine up to date with all of it's Windows 10 updates and also the latest version of Deezer app from the Windows store?

Hey Rob,

Using latest deezer app. My Windows is 1803 with latest security updates. Can not update this to latest build due to company restrictions.
Just looked around the web a little bit. And the one to blame seams to be not deezer but microsoft.
Disabled their glorious "superfetch" service, and after that CPU usage ist about 15%.
Sorry for blaming deezer here.
Userlevel 7
Badge +6
Here is my task manager view for the Deezer desktop app on the latest stable Windows 10 1903 version installed on an Intel Core2 Duo 2.66GHz PC with 8GB RAM:



The playback in HiFi mode is fine, may be pausing for a second or two when starting new apps. The power consumption switches between Middle and High. CPU temperature is around 60°C, the cooler fans are not in high speed mode while listening to music, watching HD videos, movies or TV would produce more noise from them.
Userlevel 7
Badge +6
Hey @bluezzbastardzz

Have you checked what @cm.wug mentioned above? Could you test it to see if it makes a difference? It'll be great feedback to our devs about the app.
Userlevel 7
Badge +6
Hi @Rudi, I haven't tested switching off Superfetch in Windows 10 yet, but I found another possible reason. Watching the task manager while the Deezer desktop app was just sitting there doing nothing (not playing music, being started for half an hour), the CPU usage was already around 20%, power consumption at middle:



Actually playing music raised the CPU usage to 30% then. It turned out that choosing the start or home page of the app was the reason for this, because all other pages (My Music, Browse, Artists, whatever) had 0% CPU usage when being idle. So I guess that the constantly changing album covers in the Flow section on the home page cause this behaviour, or something less obvious/invisible. Interestingly changing the view to showing the queue does not influence it either, so the home page even needs a lot of CPU when it is not visible behind the shown queue.
Userlevel 7
Badge +6
That's very good feedback! I'll be passing this to the desktop app team. It seems that the homepage is driving all that usage then 👍🏼

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