Registry Database Mutilation Using a Registry Cleaner
Registry database mutilation using a registry cleaner:
The biggest disadvantage of Registry Cleaners is their weak distinction feature. Some Registry Cleaners fail to rate severity of errors and those succeeded erroneously categorized errors as critical without giving proper reason of categorization.
What are the drawbacks of Installing Registry Cleaners:
Critics question the validity of Registry Cleaners on the ground that there is no reliable method of assessing whether the third party application contains redundant information, invalid key 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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Because of this loophole in Registry Cleaners, they often led to the situation like loss of functionality, system inability and Microsofts application compatibility updates to block malicious Registry Cleaners.
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.
Potential to Recover:
Registry Cleaner could not repair those Registry hives which 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 could not remove Registry entries associated with a rootkit because this rootkit hide the information from other processes.
To draw a comparison between the results of Registry API and raw underlying Registry storage, a specialized tool is required.
Functioning of Registry Cleaners in case of application virtualization:
Registry Cleaners could not remove those Registry entries which are written for a virtualized application.
