HƯỚNG DẪN Registry Cleaner. A Legend or a Hoax?


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You have certainly been told of Registry Cleaners by some "smartasses" who said to you that if the registry was optimized and clean the performance of the PC would be enhanced. And a bunch of software providers advertises loudly their Registry Cleaner for free or with charge for more "features". If you google for Registry Cleaners you would get tons of offers. Some Samples click HERE.

First of all: what is a Windows Registry? It's more or less a special database, if you so will, that contains information of and about the System (OS, utilities, etc.). Or in other words: the Configuration of the entire System. No wonder that these data are stowed in the directory
  • C:\Windows\System32\Config\
for more details: click HERE

The name Config says it all: it's about the CONFIGuration on the Software level.

If it's about a configuration then how can a cleaner knows what "configured" software item is superfluous or what software item is missing? A guesswork maybe? Let be frank: Microsoft is not so stupid that it won't provide a Registry Optimizer along with the Operating System. To optimize the disks there is the "cleanmgr.exe" which works in conjunction with the Registry. To repair the bad sectors of a disk there is the sfc.exe (System Files Checker). Then why on earth there is NO Registry Optimizer? Well, as said, it's about a CONFIGURATION which is individual and myriad.

So, whoever states that he has developed a Registry Cleaner that optimizes the Registry by cleaning up the garbage within the Registry he or she is talking about a mystified legend which never exists. It's about a hoax. A bad hoax if it is fee-based.
Though they aren't as common as they once were, you'll still see ads for Windows Registry cleaners around the web. These programs claim that they can speed up your computer by fixing issues in your registry, and ask for a payment in exchange for the service.

Don't believe this—registry cleaners don't make Windows any faster, and could even have the opposite effect by causing damage. Let's take a look at why.
(source: Do Windows Registry Cleaners Actually Make a Difference?)

Now what? Well, every NON-Microsoft software that is installed on Windows should be "registered" in Registry. If you want to uninstall it you open Control Panel, go to Apps and click at the unwanted app and it appears the option "Uninstall" (here in German: Deinstallieren) and that is all.


Really all? NOPE! Almost all the supplied Uninstall program still let some ugly residues in Registry and worst of all is that NONE of all Registry Cleaners is capable to find out and to remove them. Evidences? No problem at all. Run regedit.exe:
  • click EDIT
  • select FIND

then type the name of the app (e.g. TWC) that you have uninstalled previously and check the options (e.g. match whole string only) then press ENTER. After a while regedit presents you the very first find. CTRL+F leads to the next find. The finds are the residues that can be unproblematically deleted. Funny is that most of Registry Cleaners don't find them and so they cannot properly clean up the registry.

So, if you want to optimize the Registry and to enhance the PC performance you should do the work for yourself and save your nerves and money. It is safe and fool-proof.
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