Premiere Pro CC 2017 will not play after editing audio in Audition CC 2017. Why?

• I select an audio clip in Premiere Pro 2017's timeline.
• The Render and Replace dialogue opens.
• Audition CC 2017 opens, audio clip edits successfully.
• I save the clip, return to Premiere Pro.
• The revised clip does not appear in Premiere Pro 2017. On another try, Premiere replaced the clip and included a shaded area indicating its shortened length. I trim in the deleted portion of the clip. But in both cases...
• Premiere Pro will not play.
• I delete the audio clip.
• Premiere Pro will not play.
• I save the project.
• Premiere Pro will not play.
• I manually replace the audio clip with the edited version from my bin.
• Premiere Pro will not play.
• I search this Forum, find no solution, then write this post. This has taken 10 minutes.
• I return to Premiere Pro. For some unexplained reason, it now plays.
• Premiere Pro and Audition have been open but remained untouched until just now. For some reason waiting a few minutes solves the issue — if you consider waiting a few minutes a workaround.

I uninstalled and reinstalled Premiere Pro and Audition.

Problem persists.

My registry properly reports AdobeAudition10_sesx in Classes Roots.

Prior to 2017 installs, the round trip between Premiere and Audition worked flawlessly.

Why not now?

WIndows 10, system meets or exceeds Adobe's minimum requirements