However, you must be careful while selecting the registry cleaner for your PC. Registry cleaners are readily available for download on the Internet. The best way to fix registry errors is by using a registry cleaner software. In more severe cases, registry error due to malware may damage your system hardware and prevent your PC from booting up. These entries may change file associations and prevent you from opening executable files and cause system freezes whenever you start working on the system. A registry error that is caused due to a malicious entry can cause many serious problems to your system. These keys are usually non-removable and cannot be deleted manually. These malicious programs add embedded keys within the registry. If you frequently browse the Web and download various freeware programs, audio, and games, then your computer opens up to attacks from malware such as viruses, Trojans, spyware, and adware. Therefore, next time you cannot open an application and keep receiving an error message, then you must know that a registry error might be behind it.

Eventually damaging, corrupting, and fragmenting the registry.

Over time, a large number of obsolete, redundant, and invalid entries and registry holes accumulate within the registry causing it to grow at an unwarranted rate. However, at times some of these keys are either left behind and leave vacant spaces or registry holes. Normally, an entry or key when no longer usedâ€”after you uninstall an application or close a programâ€”are deleted automatically from the registry. Therefore, each and every PC activity, such as accessing, installing, uninstalling, working on applications, and configuration change, such as modifying display settings, changing audio level, and changing window size, makes an entry or adds a key within the registry. Well, the registry is the repository that stores on your computer all information about system hardware and software configuration, system and network settings, and user profiles. You may wonder how Windows registry can cause errors on your system. 90 out of 100 times registry errors are the cause of your PC problems.

Are you unable to open applications on your PC? Has your PC started behaving erratically quite often? Does system startup and shutdown take hours on your system? If yes, then it is time that you give the issue some thought.

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