Could you share your Driver and Platform details?
So if I understand your query, when you execute
Simple Decoder --> FINE
Simple Encoder --> CRASH
Capability Manager --> CRASH
How often is the crash? Is it consistent or random?
Also, if Capability Manager ran successfully once, can you share the output logs of it with us?
See XFX AMD Radeon R7 260X, Core Edition (R7-260X-CNVF) You can buy that card in California from Fry's, Amazon.com, Newegg.com.
We can reproduce a TDR driver reset on clean Windows 10 Pro consistently all the time with AMF or Windows Media Foundation (MFT).