PMDG 777 PROBLEMS

[Vjtto]

HI ALL! a couple of days ago i've bought a PMDG 777-200er and the triple seven 300ER. the main problems is that anything of the cockpit works, i can't touch anything and the 2D panels don't work! i can't even retract the gear. in the installation foulder there is written a note with the solution of the problem.

as written:
1) Navigate an explorer window to this folder:

<FSX:SE root folder>\SDK\Core Utilities Kit\SimConnect SDK\lib

(By default the <FSX root folder> is C:\Program Files (x86)\Steam\steamapps\common\FSX)

2) Run the SimConnect.msi installer file inside the folder by double-clicking.

3) Navigate to this folder:

<FSX:SE root folder>\SDK\Core Utilities Kit\SimConnect SDK\LegacyInterfaces

4) Inside this folder are three more folders that each contain a SimConnect.msi file - run all three of them.

Once you have all four steps completed, you should be all set!
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i did it all right again and again but the problem persists, does anyone know how to fix it? thanks

PS: i know that there is a forum for the PMDG (assistence) but i have to wait 5 days till i can post something about my problem, so i posted it here