I just purchased your software. I click on "Add Media" and select a video from my hard drive. The software gives the following error below and then closes. I tried several different videos with the same result.
Movie Studio 17.0 Platinum
Version 17.0 (Build 143)
Exception 0xE0434352 (Unknown Type) IP:0x00007FFD91393E49
In Module 'KERNELBASE.dll' at Address 0x00007FFD91370000 + 0x0000000000023E49
Thread: GUI ID=0x1A88 Stack=