What is the error registry in Windows 10?

Start-up problems can be caused by improperly uninstalled applications that leave registry entries that cause registry errors. Viruses, Trojans, and spyware are also known to cause registry errors because they install registry entries that are very difficult to remove manually.

Is it safe to fix broken registry items?

Therefore, it's important to make a backup of the registry before you attempt to make changes to the registry or fix broken registry items. Damaging any registry file may corrupt the Windows OS and cause your computer to malfunction. Creating a backup serves as your insurance should anything go wrong.

Generally, it is not recommended to modify registry entries unless you are being advised to for troubleshooting purposes. While the risk of deleting the mentioned keys (folders) under HKLM Software is relatively low, I would still discourage it. There may be links that are not known.

If you still want to proceed, you should make a backup of the registry.

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