CTRL + DRAG not working!!

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Hello! I've experienced a problem where sometimes I can't drag and drop everything, includes adding a sample from my library
so I had to manually right-click > Open in Song Editor, and copy-paste notes every single time.
My CTRL key in LMMS seems to be malfunctioning. However, it works when I copy-paste texts in Chrome just to make sure it's not my keyboard that's broken.

I tried restarting LMMS many times, but at the end, restarting my PC is the only hope.
Is it just me or anyone else is having this issue?
Alif Rizi wrote:
Sun Mar 24, 2019 12:41 am
at the end, restarting my PC is the only hope.
To me, that sounds 'weird' -What OS, and LMMS release version?