Yes I am using Windows 10 64 bit. User name is amritanshu. In region and language settings, region is set to India and language is English(United States). I have deleted all the files starting with ans_install_tmp followed by numbers. Uninstalled all the compression tools and downloaded a fresh new file from the ANSYS Student resource pages and extracted .Ended eacha and every task of CCleaner and disabled windows defender. Still didn't work.n