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A registry cleaner is a class of third party software utility designed for the Microsoft Windows operating system, whose purpose is to remove redundant items from the Windows registry. Registry cleaners are not supported by Microsoft, but vendors of registry cleaners claim that they are useful to repair inconsistencies arising from manual changes to applications, especially COM-based programs. The effectiveness of registry cleaners is a controversial topic, with experts in disagreement over their benefits. The issue is further clouded by the fact that malware and scareware are often associated with utilities of this type. ==Advantages and disadvantages== Due to the sheer size and complexity of the registry database, manually cleaning up redundant and invalid entries may be impractical, so registry cleaners try to automate the process of looking for invalid entries, missing file references or broken links within the registry and resolving or removing them.〔(【引用サイトリンク】url=http://www.solvusoft.com/blog/what-is-the-windows-registry-and-why-should-i-use-a-registry-cleaner-2/ )〕 The correction of an invalid registry key can provide some benefits; but the most voluminous will usually be quite harmless, obsolete records linked with COM-based applications whose associated files are no longer present. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「registry cleaner」の詳細全文を読む スポンサード リンク
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