Quicksys RegDefrag is a free program to defrag registry. It optimizes registry by removing gaps, fragments and wasted space in Windows registry files.

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AML Free Registry Cleaner is Registry-cleaning software. It will safely clean and repair Windows Registry problems with a few clicks and enable you to enjoy a cleaner and more efficient PC. The Registry is the nerve center of your PC, and problems with the Windows Registry are a common cause of Windows crashes and error messages.

With a detailed startup-manager you can see what all programs start automatically with Windows and optionally disable them.

OS: Windows XP/2003/Vista/Windows7 (32 and 64 bit)

The Registry is a heart and soul of any Windows system. It contains information that controls how your Windows appears and how it behaves. Most applications today use registry to store configuration and other important data. When you install an application, a new registry entries will be created. These entries will automatically be deleted when you uninstall the application. Unfortunately, it does not always work that way. Sometimes, you will find that some applications fail to remove their own registry entries. These entries will become obsolete.

After a long period, after installing and uninstalling a lot number of applications, your Windows registry will contain a large number of obsolete entries. These will significantly increase the registry size and thus will slowdown your computer, because Windows will need more time to load, search, and read data from registry.

To keep your computer in top performance, it is recommended to periodically clean your Windows registry.

Registry Trash Keys Finder (TrashReg) is an advanced Registry cleaning tool. The main function of RTKF is to allow the removal of unnecessary keys from the Windows Registry. Many programs leave keys in the Registry, even after programs removal using an uninstallation facility provided with the programs themselves. RTKF allows you to decide whether to delete or leave the keys found.

What’s new in this version:

* Added two new entries in Tools menu for x64 systems: “Open Regedit (32-bit)” and “Open Regedit (64-bit)”
* Added search for Softwrap trial protection keys
* The search for NULL keys was a little bit accelerated
* The code used for WinLicense Registry keys and hidden files search was almost completely rewritten
* Added Null keys’ search in whole of HKEY_USERS Registry branch (not only in HKEY_USERS\.Default as before)
* The behavior of the results’ list during its sorting, filling, deleting entries, etc was changed for more comfortable usage
* Added additional routine for searching the trial keys created by “cracked” versions of ExeCryptor protector
* Algorithmes of searching for leftovers of the protection engines EncryptPE, PCGuard and Obsidium (including the latest ones) are substantially improved
* Added routine for searching obsolete entries in Uninstall and ARPCache (undocumented part of Registry) sections
* Added code for “forced” deleting of Registry, which can’t be deleted due to insufficient access rights, in case the key is locked by some application, driver,

RegCool is a Registry editor and manager,RegCool adds a variety of powerful features that allow you to work faster and more efficient with registry related tasks.

RegCool enables you to copy, cut, paste, move, delete, and rename registry keys and values.It offers an explorer style; interface remote Registry editing; .reg and hive (Regedit and RegEdt32 compatible) file editing; import, export, backup, and restore functionality; and flexible property pages for setting keys and values.