There are various ways in which we can classify. Major: A defect, which will cause an observable product failure or departure from requirements. Minor: A defect that will not cause a failure in execution of the product. Fatal: A defect that will cause the system to crash or close abruptly or effect other applications.
Auslogics Registry Cleaner is registry cleaner/fixer utility whose purported purpose is to remove redundant items from the Windows registry. The software helps to automate the process of looking for invalid entries, missing file references or broken links within the registry and resolving or removing them.
3. Re: Registry Power Cleaner. Registry Power Cleaner is not something I would recommend to anyone as a registry cleaner or optimizer will be guaranteed to cause problems with McAfee software and your system eventually unless you know exactly what you are deleting when using them, which most people do not.