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Look for keys based on the name of the uninstalled applications or the vendor and delete them.Ĥ. Expand the HKEY_CURRENT_USER section and then expand the Softwareī. Locate any applications that have already been uninstalled and delete them:Ī. Type “regedit” in the text box and press Enter.ģ. Click the Start button and then select Run. You can perform registry cleanup manually using the Windows Registry Editor. Cleaning the Windows registry with the Registry Editor You can also edit the registry with PowerShell. Some edits require a Windows restart to take effect. Double-click the key you want in the list.ĥ. Type the name of the key and click Find Next.ģ. Press the Ctrl and F keys simultaneously open the Find dialog.Ģ. To edit the value of a registry key, take these steps:ġ.

Clean registry windows 10 manually how to#

How to Back Up and Restore the Windows Registry

Using third-party tools to back up and restore the registry.

Repairing the registry with the DISM command.

Restoring your computer with ‘Reset this PC’.

Fixing broken registry items with System File Checker.

Repairing the registry with Automatic Repair.

Fixing Windows registry errors with System Restore.

Restoring the registry from the command prompt.

Restoring the Windows registry from Safe Mode.

The most common methods for fixing corrupt records are: There are several different ways to repair the Windows registry. There are several methods for backing up your Windows records: Windows registry backup and restore Backing up the Windows registryĪs with any other critical system settings, it is highly recommended to make a backup before you attempt to change, create or remove registry records, so you can revert to the old version if something goes wrong. So, how to fix broken registry items? When the time comes to fix registry errors, it is important to know what you are doing - and to always start by making a registry backup. For example, if you have ever encountered a piece of malware, you know that it can completely mess up your registry. Sometimes, however, it is really necessary to fix registry issues. By cleaning the registry, you can get rid of those unwanted entries and make your system run a little bit faster. Each one uses very little hard drive space, but the operating system still has to filters through all of them, which slows it down a bit. Once you’ve been running the Windows OS for some time - installing and uninstalling programs, and swapping in different keyboard and mice - you end up with hundreds or thousands of registry entries that are completely useless. Changes to the registry by malware require immediate attention. In particular, malware is regularly designed to change the values of startup keys so it will be activated each time you restart the PC.

Many types of malware attack and modify the registry. If your computer is turned off, crashes or dies without going through the normal shutdown routine, it could cause an issue in the future, but this is unlikely. Each time your computer shuts down, a copy of the registry is saved to system memory.

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The registry can also fragment when software is uninstalled, upgraded or updated. Registry cleaner software will state that your programs will be confused by the duplicate entries, slowing your machines performance, but that is not true.

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Duplicate keys are made when you reinstall, upgrade or update software on your machine, including the operating system.

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Registry cleaner software will often claim these are an immediate issue, but in reality, they will just use up a few kilobytes of free space on your disk. Orphaned entries occur when you uninstall software and small fragments of registry entries are left behind. Some are worth worrying about, and others are not. There are several common causes of registry errors.