May be the page file associated with the Non-Windows drive could explain the installation issue:
Please try the below steps and see if that resolves the issue:
"Windows + R" type "SystemPropertiesAdvanced.exe" and launch the same -> Advanced -> Performance "Settings" -> Advanced Virtual Memory"Change" -> "Uncheck" Automatically manage paging file size for all drives Ensure "Paging" is only set to [Windows] Drive and not other drives.
After doing the steps, reboot the system and try installing StoreMI again. After StoreMI Installation, user can revert the Page file setting to previous settings if necessary.
