V-Ray and Corona toolbar buttons missing icons in 3ds Max

[superrendersfarm]

Issue:
After launching 3ds Max some or all of the V-Ray and Corona toolbar icons are missing. The toolbar is still functional, but the icons do not display.

Causes:
V-Ray and Corona toolbar corruption.

Solution:
To solve issues with missing VRay or Corona toolbars in 3ds Max:
Update 3ds Max to the latest version.
Perform a Clean Uninstall of V-Ray for 3ds Max.
Perform a Clean Uninstall of Corona for 3ds Max.
If the issue persists, do the following:
Run a Repair on 3ds Max.
Contact Chaos Group support or Corona Support for additional troubleshooting of the plugin.
Source: http://bit.ly/2OwbOdh

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Super Renders Farm