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This will check your drive for registry errors and replace any registries it deems faulty. To use it, open the command prompt as an administrator, then type sfc /scannow and hit Enter. The first port of call is the System File Checker. Give the backup file a name you’ll remember, and save it in a safe place (cloud storage or a flash drive is a good idea). In the Registry Editor scroll all the way to the top in the left-hand pane, right-click “Computer” and click “Export.” Press “Win + R”, then in the Run box type regedit and hit Enter. Next, you’ll want to back up your registry. Preparation for Fixing Registry Errorsįirst up, create a system restore point by going to “Control Panel -> System -> Advanced System Settings,” then clicking the “System Protection” tab and selecting “Create.”

While the latter problem may be down to defective hardware, registry errors can usually be fixed using several processes on Windows. Sometimes things are a little more obvious, and you’ll get an explicit message when your PC crashes that a registry error has occurred, or upon startup Windows Registry Checker may tell you that “ Windows registry is damaged.“ Registry errors can manifest in strange ways, such as by blue-screen crashes or by cryptic error messages occurring when your computer starts up. It could also occur when you have duplicate registry keys, don’t shut down your computer correctly, or, most severely, it could be because of a virus (stressing the importance of having anti-malware protection). Registry errors can occur when you’ve uninstalled programs, but some of their information stays in the registry. Why Do Registry Errors Occur?Įven your trusty Windows PC isn’t perfect (as any zealous Linux user will regularly remind you), and amid its millions of processes, things are bound to go a little wrong.

Here’s our guide on how to deal with registry errors. If a registry error occurs, it may stop its associated app from functioning properly or even blue-screen your PC.

The registry is a massive database in Windows that contains special binary keys that relate to all the installed applications and settings on your machine.