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Another crash. So then I removed the Sonnet Tempo Pro to eliminate that.

Then another crash.

Let's now assume the Samsung Evo 850 is faulty even if CHKDSK says there are no bad sectors, because there are many reports you can google about the drive causing crashes. So I'll restore the Winclone image to another drive and check results.
 
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I just find it incredible that 42GB can fit in 9GB.

The 850s are fine with latest firmware.

The crash during the updates...maybe the clashing Nvidia cards? Anyway, I disabled the old one and installed the new one.

The convenient thing I have noticed is that Win 8.1 has downloaded all my Win 10 settings from the cloud. Chrome also did so. So all my desktop settings, themes, Internet bookmarks, and passwords were ready after two passwords were typed.

Now I'm installing all my apps. Then I'll make another Winclone of the OS and apps.

My Windows installation is on a 512 GB SSD and periodic WinClone images are about 25-30 GB without using the "Shrink Tool" to minimize the size for reinstallation on a smaller drive. So your results don't seem out of line. You could take another WinClone backup just to be sure, and compare file sizes. You may have more programs loaded than I do however, which would increase the file size.
 
Anyone of the above using Paragon software AND using Winclone?

Workaround: third-party NTFS drivers

Install third-party drivers on OS X that allow writing to NTFS partitions. Third-party drivers like NTFS for OS X, Paragon or Tuxera provide the necessary functionality for writing to NTFS partitions.

If you choose to install a third-party driver, make sure to temporarily disable or uninstall it while imaging and restoring with Winclone.

Cheers
 
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I've restored the Winclone image to a spinning hard drive, the same drive I used for many many months without issue, and at the moment things are stable again. I'll keep testing to see if I run into the same problem. During the course of this thread I have removed the USB 3.1 card, removed Steam, removed the Sonnet Tempo Pro, and then the SSD. Wouldn't it be amazing to find out the last one was the problem all along?
 
Almost 50% of chance have crash in my Win 10 test in the last few days.

No crash before installing bootcamp, and crash straight away after bootcamp installed and reboot.

In the old days (Win 7 / 8), it can be easily fixed by removing AppleHFS.sys & AppleMNT.sys. However, it seems makes almost no difference in Win 10. Still has 50% chance crash after boot. And more other crash (BSOD) during use.
 
Windows 8.1 is now running on the HDD spinner it ran on at the start of this thread and stability has returned, I hope. It is currently downloading my Steam library and playing Netflix at the same time. After that I will make a Winclone image again so that I will have the following recovery images:

Win 8.1 with drivers only
Win 8.1 with drivers and productivity apps
Win 8.1 with the above and games

Then I will upgrade it to Win 10 and make yet another image.

The Samsung 850 Evo has been replaced at the store. My system config has changed to:

GTX980
Sonnet Tempo Pro with two Samsung 850s (one for El Cap, one for cloning El Cap)
Bay 1 : 2TB HDD for Bootcamp
Bay 2 : 2TB HDD for Yosemite
Bay 3 : 2TB HDD for archiving system images, files, utilities
Bay 4 : Empty
Optical Bay : 500GB HDD Fat32 shared drive
 
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So one of your 850 Evo's was bad then?

I think so. Windows was so unstable on it that I was scared to click on anything. It could be a faulty SSD controller or Windows just didn't like the drive running on X58 platform. Before I returned the drive I couldn't get it to initialise in a USB enclosure.
 
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I think so. Windows was so unstable on it that I was scared to click on anything. It could be a faulty SSD controller or Windows just didn't like the drive running on X58 platform. Before I returned the drive I couldn't get it to initialise in a USB enclosure.

I have an 840 and an 850 and so far so good. I haven't even updated the firmware on the 840.
 
Win 8.1, drivers, apps and games downloaded. Everything running solid. Upgraded to Win 10. Updates downloaded. Everything solid again. That damn SSD was the problem. But I'm not installing the ASUS USB 3.1 card for the time being as I'm not using it anyway.
 
Further experiments have failed to eliminate the problem, mystery only deepens....
USB Yosemite installer: Windows disk appears in Startup Disk
USB external HD (clone of primary HD): ditto
SSD: still not appearing
Primary HD: still not appearing. These two disks are in a homebrew fusion setup (SSD as startup but User directory on the HD) which may or may not make a difference. The Windows disk was appearing on the desktop at first.
Tried swapping drive sleds around- no difference.
Disk Utility repairs after starting from the USB drives- no difference..
And, finally, my recent problems with bootcamp resolved. It was an issue with the Yosemite installs on the SSD & primary HD, it seems. Reinstalled 8.1, again, last night- and now it was OS X that would only work with an option-key boot..Booting from the recovery partition, installed a fresh version of 10.10.5 using the reinstall option. Reboot, and there was the Bootcamp drive, mounted properly, it was available in Startup Disk again, would reboot properly into Windows without need to use option-key. Carbon Copy Cloner cloned the new install back onto the SSD- once I got a minor glitch with iTunes sorted (library got messed up, sorted from backups) everything working as it should. Winclone backup of 8.1 from a couple of weeks ago successfully restored, which was a relief after it kept sticking at the MBR stage in recent weeks. Phew.......
 
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And, finally, my recent problems with bootcamp resolved.

Wow am I glad you took the time to post this.

I've been having the Windows-is-only-bootable-from-Option-key problem and thought it had something to do with my EFI install (even though my previous EFI install worked perfectly). I did a ton of troubleshooting around this being a problem with the wrong Windows partition being blessed, and got nowhere.

Yesterday I did some testing on behalf of the "video card causes PCIe fans to go wild" people by pulling everything out that I absolutely didn't need, including the Windows drive. With only a Yosemite drive in, I still got the black screen "no bootable drive" message, unless I held OPTION to boot up. In my head I was still blaming Windows even with it removed; I assumed Windows had inserted something bad in the temporary NVRAM or SMC that was messing up the bootloader. So I cleared both of those but still had same problem.

So now I think it's the OS X drive, because that's the only drive in there now, and you've just confirmed it (at least in your case), plus provided the fix.
 
I finally booted up Parallels 10 despite the warning message it throws when seeing a Windows 10 Boot Camp volume. After booting between the two a couple of times the VM finally activated. So I'm now activated in both. Fingers still crossed that an upcoming Windows update doesn't break something.
I don't think I'll bother with Parallels 11. There's something about giving them 50 bucks so often that's getting tiresome. Though I may try VMware if they offer a competitor discount at some point.
 
Though I may try VMware if they offer a competitor discount at some point.

Doesn't VMWare do the exact same thing (charge $50 for a new upgrade every OS X release)? I didn't mind this so much when OS X releases were further apart, but now that they are every year it sucks. What makes it worse is that one year is so quick that there aren't even new compelling features in the VM software, so it feels an awful lot like we are paying $50 annually for nothing more than an OS compatibility patch.

I hear that the free Oracle VM Virtualbox works well if you don't need the Windows VM to be high performance. I have no personal experience with it on an OS X host, but I do use it on a Windows host for Linux VMs, and it works well enough in that scenario.
 
If you get the Black Screen of Death (yes black) this is a bug that has been around since Windows 7. A black screen will appear instead of a log in screen but you will notice it isn't a crash because the cursor is visible and you can still hear disk activity (if you use a HDD). The reason for this bug is usually the graphics card utility that you have installed has caused the GUI not to fully load, or it thinks you have two cards installed and doesn't output correctly on the main monitor, or it has sensed there is a graphics driver update and failed to initialise the current driver properly. This happens for AMD and Nvidia users. The only solution is to either turn off all automatic updates and notifications inside Catalyst Control Center/GeForce Experience or remove those apps entirely and allow Windows update to manage drivers.

Note: you will have to keep rebooting until the bug doesn't appear before you can do the above.
 
It took weeks, but Win 8.1/MS allowed the update to Win 10. After updating the only glitch was mouse scroll was gone. I reinstalled the BC drivers and everything works fine. No crashes or other anomalies so far. It won't get much use, I just like to have it available for the "Just in Case" situation I've been waiting for, for years... Not needed it ever so far, but it's there wasting space on my HD "Just in Case". :)
 
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I see the Windows 10 upgrade icon has appeared in my Windows 7 (2009 5.1/Bootcamp) system tray . I thought that only the 2013 Mac Pro was supported so what's it doing there. To inflict Pain?
 
I am running Windows 10 in bootcamp on a 2009 5,1 for gaming/ flashing card/ testing etc, the only issue is that the software RAID 0 partition will cause a crash (which is exactly the same as Win 7 / 8). So I will say there is no problem to run that on a cMP, and I prefer Win 10 more than other versions, it's relatively smooth and easy to use.
 
Win 8.1, drivers, apps and games downloaded. Everything running solid. Upgraded to Win 10. Updates downloaded. Everything solid again. That damn SSD was the problem. But I'm not installing the ASUS USB 3.1 card for the time being as I'm not using it anyway.
I am running windows 10 on a PCIe adapter with samsung eve 850 500gb and it 'seems' to be ok and pretty stable, i did the cmd promo to check trim enables which return '0' as result which is meant to mean everything is setup for trim, had some blue screen of death on the initial setup with the GTX Titan but that was due to conflicting drivers and since sorting that process everything seems stable... 'touch wood'. Funny thing is that i ran geek bench on windows 10 and then on OSX (both 32bit) and windows was significantly slower on single processor speed. See below. No idea why.

https://browser.primatelabs.com/geekbench3/compare/3387140?baseline=714260
 
I am running windows 10 on a PCIe adapter with samsung eve 850 500gb and it 'seems' to be ok and pretty stable, i did the cmd promo to check trim enables which return '0' as result which is meant to mean everything is setup for trim, had some blue screen of death on the initial setup with the GTX Titan but that was due to conflicting drivers and since sorting that process everything seems stable... 'touch wood'. Funny thing is that i ran geek bench on windows 10 and then on OSX (both 32bit) and windows was significantly slower on single processor speed. See below. No idea why.

https://browser.primatelabs.com/geekbench3/compare/3387140?baseline=714260

Geekbench began life as a Mac app and has always been more mature on OSX.
 
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