Free are pc optimizers and cleaners any good software for windows

Cyberlion Startup Optimizer inspects programs loading at Windows startup and keeps your PC running faster and cleaner Cyberlion Startup Optimizer will inspect programs loading at Windows startup and keeps your PC running faster, cleaner, and error-free.
With a program database, Startup Optimizer provides useful information for known programs.
You can remove harmful programs like spyware, virus, diallers, make your system healthier and maintain a higher degree of privacy.
Startup Optimizer removes junk and obsolete programs, frees up RAM and increases your system performance. Startup optimizer allows to add, remove and edit list of startup programs efficiently, backup and restore them.
Main features:
- Checks for viruses, spyware, diallers in Windows startup configurations
- Provide security rating and consultative information on the startup programs
- More than 12000 known programs in our knowledge database
- Add / delete / edit program entries from Windows startup list
- Enable / disable programs to start at Windows startup
- Automatically / manually backup startup configurations (which you can use later)
- Restore startup configurations
- Launch selected program
- Kill a running program process
- Checks for invalid program file at system startup

Optimizer XP helps you optimize your computer to its best performance with no options.No experience required. Just select mode to optimize or restore your system.
Optimizer XP is a freeware optimizer program but more powerful than some shareware optimizer programs. Optimizer XP is a new generation of PC Tweak and improves many functions.

The program allows the user independently to determine, what from the configurations NT/2000 will be saved as " Last Known Good ". Is useful for system administrators and tireless experimenters with critical on stability customizations of NT/2000.

Give your computers disks a thorough clean-up with this disk cleaner Advanced Disk Cleaner is a free program which makes it easy to quickly find and wipe away all the garbage files on your computer. It scans your disks quickly and then displays the garbage files so you can decide which of them you want removed. The program accurately detects and identifies only the garbage files. Advanced Disk Cleaner is a definite must have for any computer possessor.
The programs main window is designed for a logical, effective and pleasant operation, making Advanced Disk Cleaner a good choice for keeping your PC clean.
In the options dialog you can add or modify the folders and file types to clean, as well as the ones you want to be excluded from the search. You can also choose between several methods of deleting files, which include deleting to the recycle bin, moving to a special folder or simple deletion.
After using Advanced Disk Cleaner you will have more disk space at your disposal so you can install more programs, have more MP3 music files, etc

Wise Registry Cleaner 4.83 is a powerful free registry cleaner and registry optimizer, it speeds up your PC by cleaning your Windows Registry. It is so easy to use, even the least experienced user can easily repair registry with this tool. It scans the Windows registry and finds incorrect or obsolete information in the registry. By fixing these obsolete information in Windows registry, your system will can work better and more quickly.

After Wise Registry Cleaner analyzes your system for problems, you can individually view each of the problems found and call up a detailed description. If you wish, you can also have all problems corrected automatically. All changes to your system are monitored by Wise Registry Cleaner and can be undone with a few mouse clicks, so you can use Wise Registry Cleaner feel relieved.

Major Features:

1. Export entries to MS Excel.
2. Include a optimization tool. (Use this tool, you can tune up and accelerate your PC speed with a few clicks. )
   • Optimization of Disk Cache, Desktop Menu, File System, Network, Boot Speed, etc.
   • Simple and convenient auto-optimization wizard and optimizes automatically according to detected information of software and hardware.
   • "Restore" feature, press one key to restore if users are not satisfied with the optimization.
3. Filtrate by categories.
4. More useful features adding.

Requirements:

• Pentium 233 MHz or above.
• 32 MB RAM or above,
• 5 MB hard drive space or more