How to Remove a Registry Key
Initialization files were once used to store a variety of parameters that software and hardware use to run. These files eventually got too cumbersome, so a new system, called the registry, was developed by Microsoft. The registry holds in one location all of the initialization data for all of the programs and hardware being used by the computer. Sometimes, parameters, or "keys," get left behind in the registry after they are no longer needed, and can cause problems. When they do, they should be removed.
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Instructions
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Manually Removing Registry Keys
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1
Open the "Start" menu and click "Run ..."
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Type "regedit" and click "OK" to open the registry editor. Registry keys will appear on the left side of the window, with a folder icon beside them.
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3
Find the registry key you want to remove. You can either look through the keys manually or use the search function. Click "Edit" on the menu bar and "Find ..." in the menu to open the search function.
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Right-click on the key you want to delete, then click "Delete" on the pop-up menu. This will delete the registry key you selected.
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Tips & Warnings
There are several very good registry cleaners available for download or purchase. They can scan your registry to remove unnecessary keys. These work faster and are more efficient than attempting the task manually.
Never edit your registry unless you are an expert and know precisely what you are doing. A mistake in editing your registry could prevent your software from running properly, or even lead to complete system failure. If in doubt, use a registry cleaner or call an expert.
