@corniek
I wish I had good news for you -- but I need to be realistic in that there is probably no way now to use the HP recovery manager to do what you want.
Those error message mean that a Windows Update failed and that has left your PC in a corrupted state. There is simply no way of know how much damage was done to the file system in the process -- and recovery programs run in the same file system.
The screen shaking is most likely a video drivers issue and that implies that those drivers, being part of the file system, also got corrupted.
What MIGHT work at this point, in terms of being able to recover files, is booting your PC using a USB stick you can create from another PC and then inserting another USB stick to be used to save your personal data.
If your PC can not boot into Windows, a way around that is to follow the instructions below to create boot media from Macrium Reflect (MR) that can be used to boot your PC even if the hard drive is not working:
1) Download and install Macrium Reflect (MR) from this link: http://www.macrium.com/reflectfree.aspx
2) Use the option to create a boot USB stick or CD
That will create MR bootable media. Then, you can boot your PC into WinPE using that media.
Have patience, as that can take a while to start and bring up the screen.
Once the screen is there, read this thread about using PE Explorer -- a simple file explorer: https://forum.macrium.com/PrintTopic15803.aspx
If your disk still works, you might be then able to retrieve some files and folders from it.
Good Luck
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