What Are the MS Registry Disadvantages Using a Registry Cleaner?
Damages to Windows registry caused by registry cleaner:
Registry Cleaners have their own disadvantages like poor distinction feature. However, some Cleaners easily make distinction about the severity of errors but they fail to rate errors and usually classify them critical without any reasonable ground for claim.
Discover the disadvantages using Registry Cleaners:
Critics often claim that there is no authentic way of knowing whether a third party application has an invalid key, redundant information or not.
Weakly developed registry cleaners may certainly not identify whether a particular key is still in use by Windows or what dire consequences it may have on being removed.
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This has given rise to instances like system instability and/or loss of functionality, and subsequently, the release of application compatibility updates by Microsoft for blocking the registry cleaners causing problems.
Registry Cleaners have their own limitations for instance they cannot correct scenarios like undeletable registry keys owing to insertion of null characters in their names. Some specialized tools such as Sysinternals (now Microsoft) and RegDelNull utility can perform this task.
Potential to Recover:
Registry Cleaner fails to repair those Registry hives that couldnt be mounted by the system.
However, there are several ways supported by Microsoft to repair a corrupt Registry. For example Automated System Recovery feature of Windows XP wherein last Known Good boot menu is achieved by using System Restore or by running setup.
Cleaning of Malware:
Nevertheless, it can recover a corrupt registry in numerous ways backed by Microsoft; for example, Automated System Recovery, from a Last Known Good configuration, by enabling the setup to re-run or by deploying System Restore.
Registry cleaners are unable to sense or flush out registry entries related to a rootkit that tends to conceal this fact from other procedures.
A specialized tool is needed to compare the results of Registry APIs with the raw underlying Registry storage.
Do Registry Cleaners work in application virtualization scenario?
Registry cleaners fail to prove worthy in sanitizing registry entries related to virtualized applications as registry values in this case are written on a virtual registry that is application-specific in place of a real one.
