System Freezes within 1-2 hours of start

I have attached herewith SFC Screenshot, Speccy Report, Hijackthis Log.

matts6887 said:

any other details or logs you may be able to post to help possibly pinpoint the issue?

Good idea.

There is probably a flag in the task bar on the right side - 'flying' to the right, with maybe a red circle with an 'X' in it. Check that out.

Try going to: Control Panel | Administrative Tools | Event Viewer | Summary of Administrative Events to view recently logged errors.

Session "Circular Kernel Context Logger" failed to start with the following error: 0xC0000035

This is one suspicious error i am getting in event viewer.

Another one is :

The Remote Access Connection Manager service terminated with the following error:
The specified module could not be found.

And Sometimes :

Windows detected your registry file is still in use by other applications or services. The file will be unloaded now. The applications or services that hold your registry file may not function properly afterwards.

DETAIL -
1 user registry handles leaked from \Registry\User\S-1-5-21-1897080849-2384752874-2675428853-2779_Classes:
Process 3724 (\Device\HarddiskVolume2\Program Files (x86)\NVIDIA Corporation\Update Core\NvBackend.exe) has opened key \REGISTRY\USER\S-1-5-21-1897080849-2384752874-2675428853-2779_CLASSES

Action Center is clean. Please see attached Screenshot.