Please find the dump.reg.zip file attached below
Download it and then remove zip extension (just rename it, do not use winrar or 7zip).
Now you have dump.reg file. Double click on it to run it, click YES in UAC prompt and then again Yes to continue.
Start Action! and open the game. When it crash go to your D: drive and look for GeometryDash dmp file.
Please send it to us.