Hello, 

I think your Qt installation may be interfering with ChimeraX. You should not have to install Qt separately to run ChimeraX, so you might try uninstalling both Qt and ChimeraX, then reinstalling either from the installer you have or a newer release candidate. Please report back whether this works, if it doesn’t, we’ll proceed from there. 

— Zach 

On May 11, 2022, at 06:13, mykalxxxxx via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Deer  developer,
  This is my first time install ChimeraX. What should I do if I get this prompt after installation .Thanks.
           (QT 5.12.12 was already installed,windows 11,ChimeraX 1.4rc202205060510).
<2CC26932-4FA7-4246-869E-63DD624B1286.png>

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