Support for jv16 PowerTools 2008 is available from the publisher site.
Short description: jv16 PowerTools is a Windows optimization utility suite. It contains 23 different tools including award-winning Registry cleaner and manager, uninstaller, system optimization tool and much more....
To speed up your downloads we recommend you use a download manager such as 
Monitor processes, services, connections, CPU, disk, memory. Remove spyware. Speed up boot time and performance. Complement antivirus software. Descriptions for 70 000 startup programs and services, alerts on new startups. Security analysis
Find and remove true duplicate files. Search duplicate file contents regardless of file name, Duplicate MP3s, photos, and any file type can be searched. Duplicate Finder matches byte by byte or CRC32 to give you most accurate results.
EF Find is a powerful search program. Look for files, text, HEX sequences and regular expressions inside 7-Zip, ACE, ARC, ARJ, BZIP2, CAB, CPIO, GZIP, IMG, ISO (ISO9660), LHA, RAR, RPM, SFX, SQX, TAR, TBZ, TGZ, ZIP, Zip64, ZOO archives.
Print and visualize your folders. Find out where your HD space went! You can filter to include only the files you want and customize both display and printed output to your taste. Lists can include MP3 and ZIP information.