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Hello John ! After several hours spent (lost 😉 ?), searching all possibles issues, i think i got the solution, thanks to an other topic on this forum : In fact, i discovered i had the same issue as above with "FSUIPC not connected" on the SIOC window I followed your advice and set launch options for OI4FS.exe and SIOC.exe to "run as administrator" and... that's it ! FSUIPC is connected to SIOC and everything works fine, with no latency anymore 🙂 ! Thanks for your support and this nice tool i use since many years ! Good night from France, Pascal

Hi John Many thanks for your quick answer, i understand your point of view. In fact, i try to find an answer using all internet sources i can, and i did open a topic in Rksoftware forum too (flightsim4fun.com). Anyway, one the problem is solved (i'm an optimist ;-)), i will post a solution on this forum, maybe could help somebody KR Pascal.

Hi, Can't find any topic about my problem so i created this one. I bought FSUIPC7 to use it with MSFS 2020 and PMDG 737. I own Opencockpit MCP and EFIS, drived by new Oi4FS PMGD driver. When i use only Oi4FS, the response of MCP/EFIS buttons / switches is almost immediate. When i Start FSUIPC7 to control landing lights, cutoff levers, etc, the response of OC devices is more than 2/3 seconds... just unusable (each button step takes 2 seconds....) Is there any setting to activate or is it a bug between MSFS/PMDG/SimConnect/FSUiPC/OI4FS chain ? Thanks for your help, Pascal, Nantes, France