System info? Project info? Screenshot? Render settings for Output Module?
Start by turning off disk cache. If that does not do it answer some or all of the questions above.
Hi, I already turned off disk cache, and didn't help...
12-core MacPro (2012)
24 GB memory
used media: Apple XDCAM HD422 1080p
here the rendered exemple:
Same thing happens to me sometimes but only in Premiere, when the video is exported the flashes are gone.