Some programs available for free on the internet might contain spyware, adware, or viruses. Microsoft does not support the use of registry cleaners. These random crashes and hangs can ultimately lead to data loss due to the systems inability to save data back to the storage location during the occurrence. Microsoft cannot guarantee that these problems can be solved without a reinstallation of the Operating System as the extent of the changes made by registry cleaning utilities varies from application to application.Ī damaged Windows registry can exhibit a range of symptoms including excessive CPU utilization, longer startup and shutdown times, poor application functionality or random crashes or hangs. These issues might require users to reinstall the operating system due to instability.

However, serious issues can occur when you modify the registry incorrectly using these types of utilities. Some products such as registry cleaning utilities suggest that the registry needs regular maintenance or cleaning. Windows continually references the registry in the background and it is not designed to be accessed or edited. The Windows registry is a database of settings for all hardware, software, and user preferences on your computer that controls how Windows interacts with your hardware and applications. This article describes the Microsoft support policy for customers who use registry cleaning utilities that rely on unsupported methods to extract or modify the contents of a Windows Registry.

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