Windows 10: Safe_os Replicate_oc error

I try to upgrade windows 7 to windows 10 and it boots into windows 10 goes through the installation bit then says its updating, it does about 30 percent of the update restarts and then reverts back to windows 7 and shows the Safe_ os Replicate_oc error. Ive tryed lots of methods from other forums still doesn't work. I really dont want to reinstall windows 7 (as I've seen on some forums it is a fix) as i have some apps that i cant reinstall. Please help if you can Thanks in advance

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:)

 

Upgrade from Win7 Results in Safe_OS Phase Replicate_OC Error

Here is HD Sentinel for the C drive:










Now here is HD Sentinel for the D drive:










Also, here is the result of Memtest run for 10 passes today:

 

Upgrade from Win7 Results in Safe_OS Phase Replicate_OC Error

I did HD Tune on both drives. Here is the C: drive -







Now here is HD Tune on the D drive:








I am curious why there is a big difference on the graphs and if that is normal or not. The C drive is an SSD while D is a spinning drive. Also there are 2 entries highlighted.

 

Upgrade from Win7 Results in Safe_OS Phase Replicate_OC Error

Long generic passed:




C drive Sentinel Screens:













D Drive Sentinel Screens:













- - - Updated - - -

Considering this, maybe the best idea is to get a new, bigger drive. Even if we do get the upgrade working, I'm always going to be within 10-15gb of full in the best case scenario. When working on videos I've actually had it down to 1gb free space. So if it crashes I'm not going to have memory dump logs for diagnosis. I really wanted to avoid reinstalling everything though. Also, there are apparently leftover drivers from Motorola and who knows what else is orphaned when windows doesn't delete when I uninstall applications.

I suppose maybe I could try moving the big folder out, then try an install, if that doesn't work then move it back to its original location and get a new drive OR try a clean install of it, not keeping any of my stuff.

If I make an image of C:, could I later make a new partition on D: (which has a terabyte of free space), install the image there and make it dual-boot so I could go into Win7 and copy some application settings and stuff and then eventually purge it.

I want to check the memory first to see if I need new ram; if I'm going to open it up to replace a drive I might as well do anything else in there that needs it. I will try and leave memtest on while I'm at work today.