Sound and settings not working ("Task Host Window" when closing)

Okay I am not sure where to focus exactly and I am not good at articulating these problems because I don't know much about computers, so I will just try and make a simple list of problems that occured at the exact same time, and therefor must be related:
I had just installed an update which took quite a while.
Every time I close down my computer it says "Task Host Window" has to be shut down. It says underneath (translated from Danish): "Assignment host is stopping background tasks
Sound doesn't work. Not normally or with different speakers or anything like that. The sound icon shows a red circle with an X
Automatic start up programmes such as Dropbox and Sticky Notes don't start up unless I do no manually
Most parts of settings just show blank when I try to access them eg. control panel and parts of PC settings
Saving words documents (I suspect because OneDrive has to be accessed first) is really slow, but once they are saved ctrl+S works like a charm
I have tried:
I heard turning off onedrive would help, but when I go to PC setting -> OneDrive it doesn't respond
I tried a HotFix for Task Host Window but nothing happened
Trouble Shooting the sound by clicking the sound icon (which has a red circle with an X) tells me 'one or more sound services isn't running' and when I click 'see more ways' it goes to a blank site within control panel
I suspect there's some simple way to start the sound manually and it's simply being blocked, and honestly if I could just get it to start manually when I needed it, I could live with all these other problems. The sound is the most important!!
Thank you in advance
ps. I haven't been able to find my exact operating system and notebook information due to the problems with the settings, but I know it's an EVNY with a sound system by BEATS BY DRE and the operating system is windows 8

@Johanne1 ,
Hello and thank you for posting on the HP support forums.
From what you are explaining here, you are having a Windows settings issue.
Here are some links you may find useful.
Change programs that run automatically at startup
Here is a link that will help fix windows issues as well.
Diagnose and repair Windows File and Folder Problems automatically
Let me know how things go.
Thank you again for posting and have a great day.
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
D5GR
I work on behalf of HP

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Hello,
I bought my HP laptop almost a year ago for my first year of university and recently the sound has been stopping and starting.
The sound sometimes works fine, but other times it works to begin with but then within the space of a few minutes it stops and won't work again until I shut my laptop off and turn it back on again.
When the sound won't work, neither will any youtube videos or iTunes songs, they stay on 00:00 and don't play at all.
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I have read a few of the help posts given for this type of problem and apparently deleting the audio speakers from device manager hasn't been very helpful for some people and I am wary of deleting things and making matters worse.
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Thanks

Hi,
Try the following.
Open windows Control Panel, open Windows Update, select 'View update history' in the left hand pane and then select 'Installed updates' link in the following window.
Locate update KB2962407, right click it and select Uninstall. When done, restart the notebook, open windows Control Panel, open Windows Update and select 'Check for updates'. You'll see the update you just uninstalled being offered again - right click and select 'Hide Update'.
After this you may or may not need to delete and reload the Audio driver - if you do, the procedure for using recovery manager to reinstall Software and Drivers is detailed in the document on the link below.
Recovery Manager - Windows 8.
Regards,
DP-K
****Click the White thumb to say thanks****
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****I don't work for HP****
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Hi there @vandan31-sle_
Welcome to the HP Support Forums!
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