Cleaning Registry after Uninstalling Software Makes Your Computer Faster

User Author

Achilles.H

March 13, 2023

Clean registry after uninstallation software make your computer faster.

It is common that some program files, registry entries, and temporary files will be generated to support the normal use of the software when we install software on the computer and use the software.

During the uninstallation, however, if the software's unload component is reliable, the registry will be cleared away along with the uninstallation, if not, you may encounter the following problems:

The problems you may occur

The Windows registry, a centralized, hierarchical database, manages resources and stores configuration settings for applications on the Windows operating system.

The invalid registries will make your C drive full and slow down your computer. They won't be cleaned up by the system automatically, unless you delete them manually.

With the following tips, you can learn how to clean registry after uninstalling software and make your computer faster.

Way 1: Find and clean registry manually

Step 1: Press Win+R, type regedit in the dialogue box and hit Enter to run the registry editor (if a tips window pops out, click YES to continue).

Type regedit in the dialogue box and hit enter to run the registry editor

Step 2: The contents in the registry are important. To avoid deleting essential registry entries by mistake, you can back up the registry before cleaning. If any problems occur, you can restore the registry.

Here are the concrete steps: Click the File firstly and then select Export. Save the existing registry file and import it later for registry restoration if problems arise.

Export registry.

Step 3: Turn on Computer > HKEY_CURRENT_USER > SOFTWARE in sequence, SOFTWARE is the category where stores the registry files generated during the installation. Find the folder with the name of uninstalled software, right-click on it and select Delete.

Find the folder by the name of uninstalled software, right-click on it and select delete.

Step 4: After that, press shortcut Ctrl+F to bring up the search box, input the file's name you deleted just now and click Find Next button.

Input the name of uninstalled software to find the folder.

Step 5: Right-click to delete the target file, and press F3 key to find the next one until all the target files are removed.

Press F3 to find next taret folder.

It will take some time for you to clean registry and there is a risk that system will break down if you delete the built-in registry carelessly.

If clearing registry is complicated for you, a professional cleanup tool is recommended.

Way 2: Use System Genius

System Genius is a professional and multifunctional cleanup tool which can efficiently clear invalid registry entries with one click. It can scan all the uninstalled software remanent in a high efficiency.

The highlights of iSunshare System Genius.

Now let's get started to learn how to use System Genius to cleanup registry.

Step 1: Install and open the software, go to the Registry function at the left panel, and then click the Scan button to scan the invalid registries.

Click the Scan button to scan the invalid registries.

Then it will begin to scan registries for your computer.

Begin to scan registries for computer

Step 2: When the scanning process is finished, the result will appear. You can check or uncheck the box next to each category to decide whether it needs to be deleted or not. Furthermore, you can click the More button to expand the item detailed page and clean the files.

Open particular registry item details page.

Step 3: Click the Clean button to clear all the selected registry files.

Click the clean button to clear all the selected registry files.

Step 4: Hit OK to complete.

Hit Ok to complete.