Registry Mutilation Using a Registry Cleaner
Registry database mutilation using a 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.
Some Registry keys fail to identify used and unused key for Windows and could not determine the effects of deleting used key from computer.
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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 fail to redeem scenarios like undeletable registry keys that occurred due to insertion of null characters in their names. However, there are few specialized tools available in the market, like RegDelNull utility and Sysinternals (now Microsoft), which could redeem such kinds of scenarios.
Capability of Recovery:
Registry Cleaner fails to repair those Registry hives that couldnt be mounted by the system.
Despite all these problems, a corrupt registry can be recovered in several ways supported by Microsoft. For instance Automated System Recovery by using System Restore or by running setup from the Last Known Good boot menu.
Malware elimination:
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 fail to detect or delete Registry entries linked with a rootkit that can conceal this information from other processes.
It is a must for a specialized tool to compare results from raw core registry storage with that given by Registry API.
Do Registry Cleaners work in application virtualization scenario?
Registry Cleaners prove inefficient in case of virtualized application because all the Registry entries are written for virtual Registry. This virtual Registry is specifically designed for a virtual application instead of real one.

