Output folder: C:\Program Files (x86)\obs-studio
Output folder: C:\Program Files (x86)\obs-studio\data
Output folder: C:\Program Files (x86)\obs-studio\data\libobs
Extract: bicubic_scale.effect
Extract: bilinear_lowres_scale.effect
....
Extract: win-wasapi.pdb
Output folder: C:\Program Files (x86)\obs-studio\obs-plugins
Output folder: C:\Program Files (x86)\obs-studio\bin
Output folder: C:\Program Files (x86)\obs-studio\bin\64bit
Can't write: C:\Program Files (x86)\obs-studio\bin\64bit\avutil-55.dll
installation forces me to abort and says

I have uninstall and reinstalled (always reverts back to 0.15.2?).
PC - Windows 7