User: When the "Swen" virus infected someone's system, it made significant changes to the registry that caused it to be extremely difficult to be removed. What were all the registry changes and why did those changes make it so difficult to remove?

Note: A local registry office consists of birth records, marriage records, and various tax records of those who live in a specified township or area. It also may consist of land records as to who owns each acre of land in the township.
Auto answered|Score .6|RECKLESS365|Points 51|

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Weegy: The Microsoft Windows® Registry is a very powerful and logically designed computer database that controls virtually every facet of your computer's operation and is found on all Microsoft Windows® installations. While the computer's microprocessor [ is the brain of the hardware, the Registry is the brain of the Operating System. Most people are unfamiliar with the Registry and with good reason. A deleted or corrupted Registry entry could render an application or even the entire operating system completely unusable. However, with the advent of spam, poorly written software rushed to production, and any number of spyware agents available to corrupt one's computer, not knowing what the Registry does or how to navigate its basic structure could compromise your computer as easily as any piece of malware waiting to infiltrate its every file. ]
Expert answered|kikaycore|Points 401|

User: What were all the registry changes and why did those changes make it so difficult to remove?

Weegy: In some cases, when Swen executable is deleted or renamed by an anti-virus program without fixing the Registry, it becomes impossible to run executable files on a computer. [ This happens because Windows can't find the file associated with executables (in our case - Swen's file) on a hard disk . ]
Expert answered|Slayin|Points 291|