Update 4_warnings.md

test/4_warnings.md

@@ -18,3 +18,8 @@ Also, multi install has proven to be capable of causing random corruptions of th
 ## FreeHdBoot install
 
 Make sure to format the HDD with [wLaunchELF 4.43x_isr](https://github.com/israpps/wLaunchELF_ISR/releases/download/latest/BOOT.ELF) before installing FreeHdBoot, __DON'T USE WINHIIP OR ANY OTHER OUTDATED TOOL__.
+
+## List of Conflictive Modchips:
+- Mars Pro GM-816-HD: OSD freezes when its about to render the menu items
+- DMS4 toxic os based clones: OSDSYS hacking crashes
+- Matrix 1.99: Breaks ELF loader of FreeMcBoot 1.966