Go Registry Booster
The Registry Booster is the safest and most trusted solution to clean and optimise your system, free it from registry errors and fragmented entries . Through Advanced Error Detection Technology, Registry Booster automatically identifies missing, corrupt, or invalid items in your Windows registry... One mouse click and Registry Booster does the rest. ... And, using Registry Booster regularly keeps your PC free from errors and from obsolete, unused or unwanted files. ... With Registry Booster, you don't need to keep track of all the sources of common problems resulting from missing, broken...
http://www.godownload.org/down/registryboostertbyb.exe - 5Mb - Download - Screenshot

Registry Booster
Residual files, unused and undeleted drivers, and corrupt or bad entries in registry settings will quickly litter even the newest of computers. The result? Frequent error messages, slow start-ups, declining and poor performance and registry integrity, unstable and frequent application errors and... Registry Booster is the safest and most trusted solution to clean and optimize your system, free it from registry errors and fragmented entries. ... Through Advanced Error Detection Technology, Registry Booster automatically identifies missing, corrupt, or invalid items in your Windows registry...
http://downloads.uniblue.com/uniblue-rb-ds/registryboosterds.exe - 2Mb - Download - Screenshot

Robust Internet Speed Booster
Boost and optimize the speed of your Internet connection with this set of tools. Internet Speed Booster is a utility to help you keep your system healthy and responsive. This program is a package of 3 utilities, a network pinger - which prevents you from being disconnected by your ISP (Internet... Internet Speed Booster allows you to change certain Windows Registry settings that affect Internet connection speed through a simple, intuitive interface, boosting your Internet performance. ... While the actual maximum transfer speed of your Internet connection cannot be changed except by...
http://www.robustftp.com/download/rwsb4200.exe - 5Mb - Download - Screenshot

Free Net Speed Booster
Net Speed Booster is a utility to help you keep your system healthy and responsive. This program is a package of 3 utilities, a network pinger - which prevents you from being disconnected by your ISP (Internet Service Provider) with. full control over the Ping interval, host, and sound. ... SC Net Speed Booster allows you to change certain Windows Registry settings that affect Internet connection speed through a simple, intuitive interface, boosting your Internet performance. ... Features: 1)Offers more than 200 Windows operating systems registry tweaks 2)Boost overall performance and data...
http://www.Softwareclub.ws/download/scnsb4001.exe - 4Mb - Download - Screenshot

Asmw PC-Optimizer pro
Asmw PC-Optimizer pro is a collection of over 30 system-maintenance and optimization utility to tune up windows performance. Remove junk files and zero size files to save valuable disk space; Registry Cleaner, to prevent application crashes;backup and restore backup; popup killer; Startup... It is fast, easy, safe, and powerful.
http://www.asmwsoft.com/files/asmwpcoptimizer77.exe - 6Mb - Download - Screenshot

TZ System Cleanser
TZ System Cleanser cleans cache, manages cookies, clears history, recent files lists, MRU list, deletes index. dat, empties recycle bin, clears autocomplete data temporary logs and files and all other Internet tracks. enhanced features as scheduling automatic cleaning, Improves Internet and... With advanced features such as the ability to create Custom Plug-ins--This feature allows you to easily assign any files, folders, registry entries to be cleaned. ... New added features to this version, The ISB is the Internet Speed Booster feature included to optimize the internet connections, The...
http://www.trackzapper.com/download/tzsc6000.exe - 5Mb - Download - Screenshot

BPS Win Trace Remover
Win Trace Remover cleans cache, manages cookies, clears history, recent files lists, mru list, deletes index. dat, empties recycle bin, clears autocomplete data temporary logs and files and all other Internet tracks. - Blocks & stops browser pop up windows, enhanced features as scheduling... New added features to this version, The ISB is the Internet Speed Booster feature included to optimize the internet connections, The DLLs section objective is to remove the redundant DLLs in your hard drive.
http://www.bulletproofsoft.com/download/wtr6100.exe - 5Mb - Download - Screenshot

BPS Windows Trace Remover
Windows Trace Remover cleans cache, manages cookies, clears history, recent files lists, mru list, deletes index. dat, empties recycle bin, clears autocomplete data temporary logs and files and all other Internet tracks. Includes a Popup Killer - Blocks & stops browser pop up windows, enhanced... New added features to this version, The ISB is the Internet Speed Booster feature included to optimize the internet connections, The DLLs section objective is to remove the redundant DLLs in your hard drive.
http://www.bulletproofsoft.com/download/wtr6000.exe - 5Mb - Download - Screenshot