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.
Registry cleaning is not without risks. This is a very sensitive area of your computer, and if you're happy with how your computer is running, don't go digging around. Trying to manually edit your registry can create errors in the registry that make it impossible to load Windows.s it fills with information, the registry may cause a computer's performance to suffer. One problem is that Windows almost never removes registry entries, even if a program is uninstalled, as most uninstallers aren't able to effectively remove their own registry keys.