First of all, it is not entirely clear which client I should install on my Raspberry Pi 400 (4B), under PiOS Bullseye. Using the Linux ARM64 GUI client (vuitarm64): in Downloads folder, executed chmod +x, ran 'sudo ./vhuitarm64, produces error: (vhuitarm64:1560): Gtx-CRITICAL **: 22:12:20: gtk_box_gadget_distribute: assertion 'size >= 0' failed in GtkScrollbar. This is repeated several times. GUI is not appropriately sized.
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That is the correct file.
Could you download and run this test version instead and let me know if it resolves the problem
https://www.virtualhere.com/sites/default/files/usbclient/test/vhuitarm…