Hello everybody,
I have an issue with Adobe Flash Player:
I am using a software which shows Flash Player videos & animations and I have the following issue:
When I try to read a Flash content, I can hear the sound perfectly, but the screen remains blank (white). If I go fullscreen, after a few seconds images start to appear but there is an important "Flickering/Blinking" effect. For a few miliseconds the screen will be all blank (white), then the image of the content I am watching will appear, then it will become blank again, etc... at a quite high frequency (several times a second). It is a kind of "stroboscopic effect". If I leave the full screen mode, the same issue (blinking) will continue.
I am not sure about this information but I believe the software I am using is based on the Chromium browser as I've seen a file named "Chromium Embedded Framework.framework" in its installation files.
I am requested to have the PPAPI installed to be able to use the software, so this must be a PPAPI issue.
Video of the issue:
I have the following Flash-related elements installed on my MacBook:
27.0.0.170 :NPAPI
27.0.0.170: PPAPI
My system:
MacBook Air
MacOS High Sierra 10.13
Core i7
8 Go DDR3
The software used to watch the flash content:
ATP Digital (their website: bristol.gs)
I already tried to:
- Reinstall Adobe Flash Player (version 27)
- Install an older version of Flash Player after uninstalling the current one (version 21)
Without any success so far.
In case this information can be helpful, I have two web browsers on my computer: Safari & Google Chrome (but I only noticed issues with ATP Digital so far).
Is this a known issue? Is this related to MacOS HighSierra? Are there any workarounds? What can I do?
Are there some tests I can do to try to identify the root cause ?
Thank you very much in advance 
Greg.
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