Step 2: Next, click on Yes to the prompt. Step 1 : Press ‘Windows Key + R’ and type the following command to open Registry Editor. You can use this backup to restore the registry to its original state if something goes wrong. So, Create a Backup of Registry FilesĪs a precaution, before proceeding with registry cleanup, you should take a backup of the registry. This can result in registry errors and may slow down the performance of your computer. Over time, as more and more entries are added to the registry, it can become bloated and inefficient. These can be caused by a variety of things, such as improperly closing programs, installing/ uninstalling programs without using the proper tools, etc. The buildup of junk files and invalid entries over time is another common cause of registry errors. But when software is uninstalled, these entries aren’t always removed.

It often creates new entries in the registry when the software is installed. In most cases, errors are caused by the installation or uninstallation of the software. There are several reasons why registry errors may occur. These entries can potentially land you in big trouble if not cleaned properly. In essence, it is a complex database with information about the hardware and software on your computer. Let us begin by defining what a Windows registry is.

Check windows registry for errors