The new obs still can't write a file, this time I have the logs:
Output folder: C:\Program Files (x86)\obs-studio\obs-plugins\32bit\locales
Extract: am.pak
Extract: ar.pak
Extract: bg.pak
Extract: bn.pak
Extract: ca.pak
Extract: cs.pak
Extract: da.pak
Extract: de.pak
Extract: el.pak
Extract: en-GB.pak
Extract: en-US.pak
Extract: es-419.pak
Extract: es.pak
Extract: et.pak
Extract: fa.pak
Extract: fi.pak
Extract: fil.pak
Extract: fr.pak
Extract: gu.pak
Extract: he.pak
Extract: hi.pak
Extract: hr.pak
Extract: hu.pak
Extract: id.pak
Extract: it.pak
Extract: ja.pak
Extract: kn.pak
Extract: ko.pak
Extract: lt.pak
Extract: lv.pak
Extract: ml.pak
Extract: mr.pak
Extract: ms.pak
Extract: nb.pak
Extract: nl.pak
Extract: pl.pak
Extract: pt-BR.pak
Extract: pt-PT.pak
Extract: ro.pak
Extract: ru.pak
Extract: sk.pak
Extract: sl.pak
Extract: sr.pak
Extract: sv.pak
Extract: sw.pak
Extract: ta.pak
Extract: te.pak
Extract: th.pak
Extract: tr.pak
Extract: uk.pak
Extract: vi.pak
Extract: zh-CN.pak
Extract: zh-TW.pak
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\Qt5Core.dll
Sorry if I put too much of the log. It's very strange that this problem all started with the 0.15.0 update. Thanks for the feedback
Output folder: C:\Program Files (x86)\obs-studio\obs-plugins\32bit\locales
Extract: am.pak
Extract: ar.pak
Extract: bg.pak
Extract: bn.pak
Extract: ca.pak
Extract: cs.pak
Extract: da.pak
Extract: de.pak
Extract: el.pak
Extract: en-GB.pak
Extract: en-US.pak
Extract: es-419.pak
Extract: es.pak
Extract: et.pak
Extract: fa.pak
Extract: fi.pak
Extract: fil.pak
Extract: fr.pak
Extract: gu.pak
Extract: he.pak
Extract: hi.pak
Extract: hr.pak
Extract: hu.pak
Extract: id.pak
Extract: it.pak
Extract: ja.pak
Extract: kn.pak
Extract: ko.pak
Extract: lt.pak
Extract: lv.pak
Extract: ml.pak
Extract: mr.pak
Extract: ms.pak
Extract: nb.pak
Extract: nl.pak
Extract: pl.pak
Extract: pt-BR.pak
Extract: pt-PT.pak
Extract: ro.pak
Extract: ru.pak
Extract: sk.pak
Extract: sl.pak
Extract: sr.pak
Extract: sv.pak
Extract: sw.pak
Extract: ta.pak
Extract: te.pak
Extract: th.pak
Extract: tr.pak
Extract: uk.pak
Extract: vi.pak
Extract: zh-CN.pak
Extract: zh-TW.pak
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\Qt5Core.dll
Sorry if I put too much of the log. It's very strange that this problem all started with the 0.15.0 update. Thanks for the feedback