when I run my r4i 3ds on my dsi1.4.5) it shows me an error message that says "An error has occurred. Press and hold the power button to turn the system off. Please refer to the nintendo dsi operation manual for details " please help me fix it.
Because it's blacklistedwhen I run my r4i 3ds on my dsi1.4.5) it shows me an error message that says "An error has occurred. Press and hold the power button to turn the system off. Please refer to the nintendo dsi operation manual for details " please help me fix it.

How is that statement going to help fixing the issue?Because it's blacklisted
Technically speaking the above answer is probably correct. If your DSi loads retail games normally this is a "flashcart blacklisted"-issue. Possible solutions:when I run my r4i 3ds on my dsi1.4.5) it shows me an error message that says "An error has occurred. Press and hold the power button to turn the system off. Please refer to the nintendo dsi operation manual for details " please help me fix it.
fyi when installing Unlaunch using TWiLight Menu++ you can have it disable patching the launcher if you didn't knowUnlaunch disables music and sound in normal menu ("Launcher"). Some people dislike this.

Thanks for the correction, @Pk11! Didn't know this (not actively following TWiLight Menu++ development and changes as well as changes on the DSi guide).fyi when installing Unlaunch using TWiLight Menu++ you can have it disable patching the launcher if you didn't know
(https://dsi.cfw.guide/installing-unlaunch#section-ii---installingupdating-unlaunch, step 5)