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

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:

1. Run a Repair on 3ds Max.
2. Contact Chaos Group support or Corona Support for additional troubleshooting of the plugin.

See also:

• Collada .DAE Files Appear Transparent When Imported Into 3ds Max
• Slow Interface Or Viewport In 3ds Max
• Super Renders Farm – Powerful and Smart cloud render farm.

Source: https://autode.sk/2uPztPx