Why can't found Thecus backup utility anymore?

Why can't found Thecus backup utility anymore?

Due Thecus bundled Acronis for years, and more and more 3^rd party backup utility available, thus Thecus backup utility going to end of life and following  3^rd party utility which support trans file between PC & NAS via network driver able to instead:

http://www.cnet.com/how-to/how-to-back-up-your-windows-computer-to-a-network-hard-drive/

http://pcsupport.about.com/od/backup/tp/free-backup-software.htm

https://www.google.com/?gfe_rd=cr&ei=6M48VoWXNc-C2QS1o7qIAg&gws_rd=cr&fg=1#q=backup+utility+network+drive

If you need old Thecus backup utility, please visit following link, and we afraid to provide further update and thanks for your understanding in advance:

http://www.thecus.com/download/driver/Thecus_Backup_Utility_MAC_v1.1.3.zip

http://www.thecus.com/download/driver/Thecus_Backup_Utility_Windows_v1.1.3.zip