All files in my new volume locked by sudden

by Saepul Anwar   Last Updated July 12, 2019 03:02 AM

I am new in linux and i used dual boot. Few days ago i just realize that my new volume become locked and i can't do anything to all files and folder inside except read. Even though there is no problem before. I try to change all permission to read and write but still no effect.enter image description here



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