Server 2012 R2 hangs on reboot at "Updating your system" 6 or 7 %

I have a 2012 R2 server (VM in Hyper -V).

It rebooted after applying updates and keeps hanging at "Updating your system (7%)"  (sometimes 6%)
The server was fully up to date a month or so ago, so it's a recent update that is messing it up..

Here is what I have tried so far:
1. removed Nic in Hyper-V
2. Increased RAM / CPU
3. Rebooted in to Safe mode
4. Rebooted in to Last Known Good Config
5. Rebooted in to Debugging Mode

All just go right back to Updating system and then Hang.
erikwhitewayAsked:
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erikwhitewayConnect With a Mentor Author Commented:
ended up just re-doing the VM
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erikwhitewayAuthor Commented:
I can get in to DOS windows on recovery - and was able to delete the pending.xml - now I don't even get the % it hangs on the spinning wheel.
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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
An update causes this because SecureBoot is enabled on a Gen2 VM.

Shut the VM down and turn off SecureBoot to allow it to boot.

See known issues in KB3000850.
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erikwhitewayAuthor Commented:
I disabled secureboot - and it's still getting stuck at 7% (I had already renamed pending.xml back).

Any other thoughts?  I've never had one get so stuck before.
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Philip ElderTechnical Architect - HA/Compute/StorageCommented:
SafeMode and Pending.xml would be the next step.
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erikwhitewayAuthor Commented:
Removed pending.xml - now I'm back to spinning wheel (no % shown)
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erikwhitewayAuthor Commented:
In safe mode I don't even get a spinning wheel
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erikwhitewayAuthor Commented:
just gave up
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