The Windows freeze during games issue is now solved! I did not experience any freezing whatsoever today.
If it does happen again I'll return!
Thank you for the help and happy valentines day!
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This is a problem that seems to happen several times a day, actually atleast 10 times a day.
Also when playing games my pc randomly freezes.
More Detail:
Description
Faulting application name: backgroundTaskHost.exe, version: 10.0.16299.15, time stamp: 0x290d9f78
Faulting module name: biwinrt.dll, version: 10.0.16299.15, time stamp: 0x8f6712a3
Exception code: 0xc000027b
Fault offset: 0x000000000000e38d
Faulting process id: 0x2038
Faulting application start time: 0x01d3a1215640f35e
Faulting application path: C:\WINDOWS\system32\backgroundTaskHost.exe
Faulting module path: C:\Windows\System32\biwinrt.dll
Report Id: cc05cc7d-5894-428a-967e-1a5fc4a666b3
Faulting package full name: Microsoft.Windows.Cortana_1.9.6.16299_neutral_neutral_cw5n1h2txyewy
Faulting package-relative application ID: CortanaUI
Also here's this : http://prntscr.com/ic30lv
Moved from: (Windows / Windows 10 / Cortana & search)
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
The Windows freeze during games issue is now solved! I did not experience any freezing whatsoever today.
If it does happen again I'll return!
Thank you for the help and happy valentines day!
We appreciate your response. To further troubleshoot your concern, it will be best to make sure that the KB4074588 update OS Build 16299.248 is installed on your computer. We also advice updating the drivers on your device, especially the drivers for your graphics cards. You can also follow the suggested troubleshooting steps in this link.
We are eager on getting this resolved for you.
Hi,
We appreciate the additional information that you provided. The error "backgroundTaskHost.exe stopped working" is usually occurring to Windows devices due to damaged or missing system files. To help us identify the cause of this issue, we would need you to answer the following questions:
In the meantime, we suggest running the Deployment Image Servicing and Management tool. This tool will automatically repair the components of your Windows operating system and records the corruptions to the log file.
To run the DISM tool, follow these steps:
Note: While running the DISM tool on your computer, if any bad sectors are found on the system, data loss might occur. We suggest that you backup your files before running DISM.
Once done, run the System File Checker tool. This is a utility that allows users to scan for corruptions in Windows system and restore corrupted files. The link contains further information about how to run the System File Checker tool.
We are looking forward to your response.
Well, it freezes on all of the games that I play, Rainbow six siege, Playerunknowns Battlegrounds, Darwin Project and Need For Speed Payback
Edit: It does freeze when not playing games aswell.

Windows Version is:
Edition: Windows 10 Pro
Version:1709
OS Build:16299.214
I did try the DISM tool and if the same problem occurs I'll update the situation.
Edit: When I play Need For Speed Payback, So what I did was I disabled Cortana and CortanaUI so the backgroundTaskHost.exe problem is now solved but the games are still freezing and I can not find out why, in the Reliability Monitor it only says ''Windows Was not properly shut down''
Also all of the games I listed above are now freezing more than ever.