Damages to MS registry caused by registry cleaner:

A problem associated with registry cleaners is that some of them do not rate the severity of errors, and most that are able to do this incorrectly classify errors as critical, with diminutive reasons in support – a contemporary form of snake oil.

Discover the limitations 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.

Make sure you have an effetive and proven Registry Cleaner to make sure you get a fast computer

The abovementioned flaw in Registry Cleaners create some worrisome situation such as malfunctioning of system, loss of functionality and accessing Microsofts application compatibility updates to prevent harmful Registry Cleaners.

Registry cleaners are unable to repair undeletable registry keys created by null characters embedded in their names. This can only be done by dedicated tools like Sysinternals RegDelNull, which is now owned by Microsoft.

Potential to Recover:

A registry hive, which a system is unable to mount, cant be repaired by a registry cleaner.

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.

Removal of Malware:

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.

Registry cleaners are unable to sense or flush out registry entries related to a rootkit that tends to conceal this fact from other procedures.

To draw a comparison between the results of Registry API and raw underlying Registry storage, a specialized tool is required.

Virtualization of application:

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.