Roller Coaster Tycoon 4 Platinum Abnormal Termination Roller Coaster Tycoon 3 Platinum Installation Problem?

Roller Coaster Tycoon 3 Platinum installation problem? - roller coaster tycoon 4 platinum abnormal termination

Please help me. My Roller Coaster Tycoon 3 Platinum game makes copies of every roller coaster (I do not know why) So I tried to install again. If I install now, it stops about 3 / 4 of the institution "Thunderbobs.common.ovl" is an error and cancels the installation. Please help me.