Symptoms:

While logging in to the vSphere Web Client or vCloud Director Web Client the flash plugin crashes with the following error:

Shockwave Flash has crashed

This issue occurs because of a known issue with Adobe Shockwave Flash version 27.0.0.170, and affects all versions of the vSphere Web Client. For more information, see https://bugs.chromium.org/p/chromium/issues/detail?id=774862.

If you are unsure of the Adobe Shockwave Flash version installed, see https://helpx.adobe.com/flash-player.html.

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To resolve this issue, download the latest versions (27.0.0.183 or later) from https://get.adobe.com/flashplayer/.