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About Wise Registry Cleaner

What is registry?

The Registry is the central hierarchical database used in Microsoft Windows operating system to store information necessary to configure the system for one or more users, applications and hardware devices.

Why do I need to clean the registry?

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. Over time, Windows Registry begins to hold data that are invalid and obsolete. This invalid data eventually accumulate in the Registry, slowing Windows down, whereby compromising PC performance and causing other problems. So, to keep your computer in top performance, it is recommended to periodically clean your Windows registry.

All section of Wise Registry Cleaner

Components SubSystem: This section can find obsolete Activex/COM entries and repair them.

What is an Active X control?

An Active X control can be defined as a small applet or software component that can be reused over and over again. These encapsulated software programs or applets can either be visual or non visual. They are easy to create and can be included in many applications that run on the Windows platform.For instance, if you have created an Access Database and would like to add more functionality to it, there are many different Active X Controls available. One control that is used widely in MS Access is the Dropdown List Box. This is a field that can expand to show dozens of choices that can easily be selected. Active X Controls make it easier to add functionality, as well as complete a task quickly.<br /><br />

Why I need this section?

An Active X control already been removed, but some keys still in registry, when Windows run some applications that need this Active X control, you will get an error. And when the Windows start, it load some Active X information and regardless of whether the correct information, this time your Windows will become slow. So, you need use this section.

Software Section: This section can find obsolete and invalid information of software, then remove them.

Application Paths: Find and remove invalid application information.

File Types: This section can find invalid and empty information of file association.

Help Files: This section can find invalid and empty information of help files.

Fonts: This section can find invalid and empty information of fonts.

Shared DLL: This section can find invalid and unused .dll files.

What is a dll? Short for Dynamic Link Library, a library of executable functions or data that can be used by a Windows application. Typically, a DLL provides one or more particular functions and a program accesses the functions by creating either a static or dynamic link to the DLL. A static link remains constant during program execution while a dynamic link is created by the program as needed. DLLs can also contain just data. DLL files usually end with the extension .dll,.exe., drv, or .fon. A DLL can be used by several applications at the same time. Some DLLs are provided with the Windows operating system and available for any Windows application. Other DLLs are written for a particular application and are loaded with the application.

User MRU Lists: This section can find and erase user MRU lists.

What is MRU Lists? Windows contains a number of most-recently-used (MRU) lists. These MRU lists contain information such as the names and/or locations of the last files you have accessed. They are located ALL OVER your registry, and for almost ANY file type. By looking at these MRU lists, someone could determine what files you opened/saved/looked at, what their file names were, and much more! (And, in many cases, the lists are displayed in drop-down menus automatically.)

Uninstall Section: This section can find obsolete and invalid uninstall information.

Start Menu: This section can find obsolete and invalid start menu entries.

Startup Program: This section can find invalid startup program.

Sound and AppEvents: This section can find obsolete and invalid sound files and appevents files.

IE Url History: This section can find and erase IE Url History.

About Wise Disk Cleaner

Extensions:

Extension	Description	Safe to delete
.tmp	Temporary file created by programs	Yes
temp	Temporary file created by programs.	Yes
.diz	File created when download is run.	yes
.chk	Scandisk recovered file.	yes
.old	Outdated file.	yes
.gid	File created when a help file is run.	yes
.nch	Newsgroup's cache file.	yes
.wbk	MS Word's Backup file.	yes
.fts	Created by searching within a help file.	yes
.ftg	Windows helpsystem temp file.	yes
.$$$	Temporary file created by programs.	yes
*log.txt	Log file, create by programs.	For more space
.err	Create by program when some error happened	yes
.---	Temporary file created by programs.	yes
~*	Temporary file created by programs.	yes
~*.*	Temporary file created by programs.	yes
.??$	Temporary file created by programs.	yes
.___	Temporary file created by programs.	yes
.log	Log file, create by programs.	For more space
.~mp	Temporary file created by programs	Yes
_mp	Temporary file created by programs.	Yes
.dmp	Win2000/XP memory dump file.	Yes
.prv	Outdated file.	Yes
.sik	backup file.	For more space
.bak	backup file.	For more space
thumbs.db	index file created by system in order to improve the picture	Yes
	browsing speed.
.ilk	Intermediate file	For More Space
.aps	Intermediate file	For More Space
.ncb	Intermediate file	For More Space
.pch	Intermediate file	For More Space
.$db	Temporary file created by programs.	Yes
.?$?	Temporary file created by programs.	Yes
.db$	Temporary file created by programs.	Yes
.?~?	Temporary file created by programs	Yes
.??~	Temporary file created by programs.	Yes
.^	Temporary file created by programs.	For More Space
._dd	Temporary file created by programs.	For More Space
._detmp	Temporary file created by programs.	For More Space
mscreate.dir	Temporary file created during setup.	Yes
chklist.*	Temporary file created during setup.	Yes
.bk?	Potential junk file.	For More Space
.$a	Temporary file created by AutoCAD.	Yes
.xlk	MS Excel's backup file.	Yes
.cdr	Backup file created by Corel Draw.	Yes
pspbrwse.jbf	Paint shop folder image information cache file.	Yes
.nav	Backup file created by programs.	For More Space
.ms	MS product backup file.	Yes
_desktop.ini	May be create by virus.	Yes