WHAT THE HELL IS UP WITH MY WINDOWS MOVIE MAKER?

So LEts c I need help. I have WMM and yet every time I try to load or edit videos it gives me the Error report. So PLZ can some one HELP!!!! PLZ I want 2 make videos. Or can I get a new one?, go where I can edit videos 4 free. Or how 2 Fix this problem in easy words or "how 2 4 idiots like me. "PLZ give me answers not "IDk." Thanks in Advance.