Error PRL_ERR_KEXT_LOADING when trying to start a vm

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HW_1

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Hello,
i upgraded my Version from 15 to 16. After the installation i tried to start a vm and then this message appears in title and description: PRL_ERR_KEXT_LOADING.

Someone knows how to solve this problem?
 
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J
HW_1 said:
Hello,
i upgraded my Version from 15 to 16. After the installation i tried to start a vm and then this message appears in title and description: PRL_ERR_KEXT_LOADING.

Someone knows how to solve this problem?
Click to expand...

I also encountered this problem after upgrading to Big Sur and Parallels Desktop 16. Some of my vms can start while the others can't, with the same PRL_ERR_KEXT_LOADING error. Turned out for those which can't start, the option 'Hardware -> CPU & Memory -> Advanced Settings -> Hypervisor' was set to 'Parallels'. After changing those to 'Apple' these vms starts just fine.
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Any solution to this yet? I can't work! The error keeps popping up, and I can't use the solution here because in order to change the hypervisor I need to "resume the virtual machine". Which I can't do because of this error. So frustrating.
 
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BethanyR said:
Any solution to this yet? I can't work! The error keeps popping up, and I can't use the solution here because in order to change the hypervisor I need to "resume the virtual machine". Which I can't do because of this error. So frustrating.
Click to expand...
I feel that, I had to find the path to the workaround myself as well.

Didn't have the issue until today, so here's how I got to the workaround:
1) Go to the main screen on Mac's desktop, right-click on the instance of parallels you want to regain access to.
2) Go to Actions
3) Click "Stop"
4) Follow dialogue prompts until you've effectively forced the shutdown of your instance (sucks to lose progress on anything you're working on, but better than having no access at all)
5) Right-click the main Parallels icon
6) Click "Control Center"
7) Click the gear icon next to the instance you want to regain access to.
8) Click the dropdown box under "CPU and Memory" labeled "Hypervisor" and select "Apple"
9) Click the lock at the bottom left to save changes
10) $$$

screencap.jpg screencap2.jpg
 
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So are we still under investigation to this problem?

Why is it everytime, repeat every time I either update my Mac OS or update Parallels I run into errors, and typically this error?

PRL_ERR_KEXT_LOADING
 
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DuaneC1 said:
So are we still under investigation to this problem?
Why is it everytime, repeat every time I either update my Mac OS or update Parallels I run into errors, and typically this error?
PRL_ERR_KEXT_LOADING
Click to expand...
Hello, the issue has been fixed in the newest Parallels desktop version.
Did you get the same error with Parallels Desktop 17?
 
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