H.264 Video - Stops playing at 5min 30sec

[Jin]

As the title shows, H.264 video with audio always stops playing at approx. 5:30 - 5:37.

This bug has begun with the newest version 1.6.10.21 and not been seen in previous versions.

Version:
1.6.10.21 (Developer Build) （32 bit）
OS
Windows 10 (x64) 

Btw. memory optimization in "chrome://settings/advanced" is off.

[Admini]

Thanks for your feedback.Can you give an URL for testing?