Placed image was resized automatically

[WeiSoon5FA9]

I am using Adobe Illustrator CC 2021 (version 25.2.1). I had encounter the issue where the aspect ratio (heights and width) of the placed images .psd was changed when the same file was reopen.

As attached, 1.png was the originally placed image size.
After the file was closed and reopen, the aspect ratio of the image changed as shown in 2.png

Please note that the original image was not edited in any way.

 

 

[Monika Gause]

Does that just happen in this file? Or all files?

Can you try and place the PNG in a new file and then save and reopen it? Does it happen as well?

[WeiSoon5FA9]

This is the first time i encounter the problem. from my previous experience, the aspect ratio will only change if the original source image have been modified. I have tried a few times and it didnt happen again.

[Michael Bullo]

Thinking laterally here... Could non-square pixels be a factor?

[WeiSoon5FA9]

checked the source image file, it's square pixels...