psd, heic types cannot be previewed

[ebfming]

hi everyone
I recently found a problem using XnViewMP and need your help
When opening psd or heic format, I find that I cannot preview it unless I open it through a browser. If it is jpg format, there is no problem.
System: windows 10
Software version: 1.6.1

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[xnview]

If you have a problem when double clicking a file from desktop or windows explorer, please check registry entry for .heic/.psd

[ebfming]

If you have a problem when double clicking a file from desktop or windows explorer, please check registry entry for .heic/.psd

Thank you very much for your answer
I tried to run Associate files with XnViewMP.exe as root to register all file types, but I still received a cold warning from the system: File association cannot be changed. Please make sure you have administrator rights

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I checked the extension association of Windows and found that .psd has been associated with xnviewmp.exe, but the problem was still not solved.

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[xnview]

'Associate file with XnView' is only for windows 7, please registry entry