Where is in luncher stored UE4 path?

Development Getting Started & Setup
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1

i installed UE4 19 and my disk changed letter.
now luncher is pointing sdcard reader…
luncher is telling me to fix (chek files) but it dosnt work error: IS-0002-DP-OS-015.
uninstall is infinity looping on unrealCEFSubProcess.
i can’t see files of engine in real destination.

2

it is somewhere in appdata

3

i just delete evrythimg from appdata