Stupid Me !
All seems fine, the blue Button shows my missing Drop Down Menu and the Crash i noticed early'er wasn't a real Crash.
It was just PMC minimizing to tray and playing the Macro

I didn't noticed it because my Scripting Server didn't show Tools in Tray.
So all is working as intended !
Great !
The only problem is now the difference in Playing Macro's.
My Macro's run fine in PMC 4.x.x and as exported AHK/Exe but in PMC 5.x.x they somehow do what they want.
Im changing your suggested files and tinker around

Hoping to create some Feedback.
Thank you for keeping up your good Work !

-----------EDIT----------------
Changed SciLexer.dll from PMC 5.0.1 with the one you Posted.
Fired up my Bot and let it work it's Magic, now everything work's fine. No weird click behavior anymore.
Seem's all my older Macro's are now working as intended.
For Testing Purpose, i let it run for the next 12-16 Hour's and report back.