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[BreakPoint]

OK so I no longer experience any crashing, but ROHQ lags playing DVD rips with a GTX 970.

[glynor]

What does "lags" mean?

[BreakPoint]

Low, stuttering frame rate.

[CountryBumkin]

Bring up the madVR display window (Cntrl+J) while playing a movie and post a screen shot.

[JimH]

The machine may not have enough power to run ROHQ.  Try RO Std.

[BreakPoint]

This screenshot is from my Despicable Me 2 Blu-ray rip.
When it stutters, the dropped frame count increases buy a number greater than 10.

[BreakPoint]

The machine may not have enough power to run ROHQ.  Try RO Std.

So a GTX 970 and a Core i5-4670k isn't enough to run ROHQ? Do I need a GTX 980?

[JimH]

Try RO Std to see what happens.

Antivirus software can cause problems like this.

Run MC's benchmark, under the Help menu, and post the results.

[mwillems]

A 970 should handle most settings in ROHQ; have you changed any of the scaling options in MadVR?  There are some theoretical combinations that might choke a 970, but most should work just fine.  You're probably seeing a different issue.

Are you pulling the file from a local drive or a networked drive?  You say you're playing DVD rips; are they .mkvs or ifo/ts rips?  A conventional ifo/ts rip depends on the windows DVD navigator which has caused significant issues for folks in the past, especially when trying to play over the network or using latency introducing DSP.  If they are ifo rips, do you get the same issue with .mkvs?

[BreakPoint]

I'm using the default options in MadVR, and the DVD were ripped with MakeMKV and then converted to mp4 by Handbrake.
All my movies are on a local SATA drive.

[mwillems]

Then Jim's right, that really sounds like some kind anti-virus or driver issue.  If you watch performance monitor when playback is happening do you see sudden spikes in cpu associated with the frame drops?

You should try working through glynor's troubleshooting guide, with specific focus on the anti-virus/security software section: http://wiki.jriver.com/index.php/Troubleshooting_Guide

[BreakPoint]

OK, I completely unistalled Security Essentials, restarted, and no change. I then completely unistalled EVGA Precision X, restarted, and that fixed it.
So it was EVGA Precision X. Even though I closed the program before launching MC, It still affected MC. I'll try MSI After Burner. I will thoroughly read the MadVR Expert Guide on the JRiver wiki when I have time.

Now I just need to reinstall Security Essentials, and make sure that doesn't adversely affect MC as well.

[glynor]

Now I just need to reinstall Security Essentials, and make sure that doesn't adversely affect MC as well.

Security Essentials is typically well behaved by itself (I use Windows Defender now, and MSSE before that, on most of my Windows machines).  I've seen some issues with it on certain machines, though.  Either way, if you follow these instructions, it'll make sure it behaves:
http://wiki.jriver.com/index.php/Taming_Windows_Defender

[JimH]

Thanks for reporting the cause.

[glynor]

I then completely unistalled EVGA Precision X, restarted, and that fixed it.
So it was EVGA Precision X. Even though I closed the program before launching MC, It still affected MC.

Those overclocking and performance enhancement utilities can be troublesome.  They try to detect what an application is doing and then tweak the GPU to "optimize" the setup automatically.  But, to do this, they have to essentially inject themselves between the GPU driver and the OS API (DirectX), which is...

Well, they're coded looking at game performance and compatibility.  I imagine they don't expect MadVR to be doing what MadVR does (using the GPU) and they probably put the GPU in "ultra-low-performance mode" like they would for any other generic desktop application (Excel, etc).  Even when the application isn't running, that doesn't unload those hooks they use to intercept the communications between the OS and the GPU driver.

If 6233638 says it works with the MSI utility (I've read lots of good things about that tool as well), then I'd probably say he knows best.  He essentially wrote that MadVR guide, and watches the performance of his system very closely, so that's probably a good tip.

[6233638]

I'm sure that even MSI Afterburner has some minor performance hit, and it's entirely possible that with a system which is right on the edge, it will be enough to cause stuttering as well.
But I've never known it to cause a problem, and I often leave Afterburner running in the background without it having any impact on video playback in MC.
 
Afterburner is the progenitor for all of these tools, and still the most actively updated one, so it's what I would recommend anyone use regardless of what brand their video card is.

[CountryBumkin]

In your screen shot of madvR it shows the present and render queues are "0". When that happens on my system that causes shuttering and frames dropped.
If you are streaming from  NAS or Server, I would copy the movie directly to the computer (C: drive) and see then if the problem goes away. That would indicate a network problem.

[glynor]

Figured it out.

I then completely unistalled EVGA Precision X, restarted, and that fixed it.