IObit Uninstaller User Manual

About IObit Uninstaller

Thanks for choosing IObit Uninstaller!

IObit Uninstaller is a perfect uninstallation tool. It provides an easy and secure way to thoroughly remove unwanted programs, Windows Apps, Universal Windows Platform (UWP) apps, and malicious/ad plugins, giving you a clean PC and a secure & smooth online surfing experience.

As the first uninstall utility that comes up with the idea of bundleware removal, IObit Uninstaller has further optimized the algorithm to better detect bundleware at the very time when they are installed, which allows users to uninstall all unwanted bundleware more conveniently and timely.

Other features in IObit Uninstaller are also wonderful. Real-time Install Monitor detects and logs changes made to your system during a program installation, which allows you to see what changes the monitored programs did during the installation. It is worth mentioning that Install Monitor newly supports monitoring system services, scheduled tasks, and DLL registration. Meanwhile, Software Health helps optimize all installed software to make them run smoother and also reduce security risks. Moreover, it newly supports blocking browser site notification prompts from interrupting you. With the enhanced scan engine and greatly expanded database, IObit Uninstaller can remove more stubborn programs and malicious/ad plugins, and ensure all leftovers to be removed thoroughly from the computer just like they’ve never existed. It also supports removing Windows apps under non-administrator accounts and the latest UWP apps on Windows 10 to free up more storage space. What’s more, the optimized Software Updater now supports updating multi-language versions of some popular programs, like Firefox, WinRAR, and Mozilla Thunderbird.

All in all, IObit Uninstaller is an all-in-one uninstallation utility to uninstall software, bundleware, browser extensions, and Windows Apps for a clean and safe PC.

The following guide will help you get familiar with IObit Uninstaller quickly.

System Requirements

• Windows XP/Vista/7/8/8.1/10

• 300 MB of free disk space

• 1024*768 screen resolution and above

Install IObit Uninstaller

1) Click here to download the latest IObit Uninstaller.

2) Double-click the downloaded iobituninstaller.exe to start installation.

Activate IObit Uninstaller

Note: A valid license code is required to activate the Pro version. You can click here to purchase a new one, or click here to renew your expired license code. If you forgot your license code, retrieve it here.

Click the Enter Code link at the bottom right of IObit Uninstaller main screen, enter your license code, and click Register Now to activate the Pro version. Or you can visit here for step-by-step activation instructions.


After upgrading to the Pro version, you can click the Manage License link at the bottom right of the screen to check the license status, refresh your license, or export your license.


Launch IObit Uninstaller

Besides the desktop shortcut, we provide another 3 entrances to launch IObit Uninstaller. Therefore, it's more convenient for you to uninstall any programs in any case.

1. Launch from Control Panel. Let's take Windows 10 as an example.

Start > Click Settings > Click System or Apps on the Settings menu > Select Programs & features or Apps & features from the left panel > click Powerful Uninstall to open IObit Uninstaller. Please refer to the following picture.


2. Right-click on the shortcut of the program you want to uninstall. Select Powerful Uninstall to launch IObit Uninstaller and start the uninstall. Please refer to the picture below:


3. Drag the shortcut of the program you want to uninstall over IObit Uninstaller shortcut. Then IObit Uninstaller will start automatically.

Uninstall IObit Uninstaller

Windows 10:

Open Start > Click Settings > Click System or Apps on the Settings menu > Select Programs & features or Apps & features from the left panel > Find IObit Uninstaller and click Uninstall > Follow the on-screen prompts

Windows 8 & 8.1:

Open Start > Click Control Panel > Click Programs and Features > Find IObit Uninstaller and click Uninstall > Follow the on-screen prompts

Windows 7 or earlier:

Please click here to get the uninstallation instructions.

Glance at Main Interface

The main window of IObit Uninstaller displays six main features: Programs, Install Monitor, Software Updater, Toolbars & Plug-ins, Windows Apps, and Action Center. Programs are shown by default when you open IObit Uninstaller.

Note: Windows Apps category only appears on Windows 8 and above.


At the top right corner of IObit Uninstaller main screen, you can find icons for Tools and Options .

tools-icon - Click this icon to get start with 6 powerful tools of IObit Uninstaller. We will introduce them in detail later.

options-1 - Click this icon to view the drop-down menu including Settings, System Restore, Export program list, Feedback, Check for updates, User Manual, Technical support, IObit online, Like, What's New, and About.



- Instruction for the Programs category

All Programs - List all programs installed on your computer.


Bundleware -List all bundleware installed on your computer.

When you install the main program, some other programs may also be installed without your notice. IObit Uninstaller can monitor program installation in real time and notify you when the bundleware installed if you have the option Notify me when bundleware installed ticked in Settings. Click the View details button to check all the installed bundleware.


Note: PRO users can remove all the bundleware easily and conveniently.



Logged Programs -List all programs whose installations were logged by Install Monitor.

Click the View log link to further view the installation log and check all the files and registry entries created during the installation.

PRO users can uninstall logged programs thoroughly with the installation logs created during the installation.



Recently Installed - List the programs installed during the past 10 days.

Large Programs - List the programs with size larger than 100 MB.

Infrequently Used - List the programs that you haven't used for two months.

search-program - You can type the key words of a program here to find it quickly.

program-name - You can click the Name column to list all programs in alphabetical order.

Right-click a program to view and select the menu options: Uninstall, Repair, Refresh, Open file location, Open in Regedit, and Search Online.


Click the Details link to know more information about a program.


- Uninstall a program

1. Select the unwanted program by ticking the checkbox in front of it. You can also select several programs to uninstall at the same time.


2. After selecting the unwanted program, you can click the trash icon or the Uninstall button to start the uninstall process. But before the uninstallation, two options are provided for you.

By checking the option Create a restore point before uninstall, IObit Uninstaller will create a restore point before uninstalling the program. Then you can restore your system to the good status if any unexpected thing happens. But this process will take some time.

By checking Automatically remove residual files, all residual files found will be removed automatically after the built-in uninstallation completes.

Choose the option you need and then click Uninstall to start uninstalling the selected program.



3. If you do not tick the option Automatically remove residual files, IObit Uninstall will scan and list all program leftovers and registry entries after the built-in uninstallation. You can select the unwanted items for deletion.

By ticking Shred files, it will shred the leftovers when deleting them. Thus these files will be wiped out completely & permanently and cannot be recovered by any recovery tool.


4. You have uninstalled the selected program successfully!


Install Monitor

Install Monitor detects and logs system changes in installation, which allows you to see what changes the monitored programs did during installation.

Install Monitor provides two ways to monitor program installations: Auto Monitor and Manual Monitor.


-Auto Monitor

New program installations will be detected and logged automatically once you enable Auto Monitor. And you will get a notification when the installation is completed if you ticked the option Notify me when installation log is created after the auto monitoring in Settings.



Manual Monitor allows you to manually add or drag a setup file to log its installation.

You can click the Logged Installations link at the bottom right of window of Install Monitor to view all the programs logged by Install Monitor.

Software Updater

Software Updater helps you get your important programs up to date easily and efficiently.

Pro users can Update All outdated programs with just 1-click.


Toolbars & Plug-ins Removal

- All Toolbars & Plug-ins

IObit Uninstaller automatically detects toolbars and plug-ins of main-stream browsers and classifies them according to user ratings.


Trusted Toolbars and Plug-ins

Toolbars and Plug-ins displayed here will not harm your computer.


Malicious Toolbars and Plug-ins

Those toolbars and plug-ins, which may change your default browser and steal your private information, are classified as Malicious Toolbars and Plug-ins and highlighted at the top of the screen so that you can easily find and remove them to get a clean and safe online surfing.


Rate - You can rate toolbars or plug-ins based on your experience with them. Your rating may be helpful for other IObit users when they have no idea of whether to remove a toolbar or plug-in. Your rating will take effect in 7 days.


- Browsers Supported

IObit Uninstaller supports five browsers which are Internet Explorer, Google Chrome, Mozilla Firefox, Opera, and Microsoft Edge (on Windows 10 only).

IObit Uninstaller provides an easy way to reset the homepage and default search engine of the browser to its default settings by clicking Restore Internet Explorer (Mozilla Firefox/Opera/Microsoft Edge) Default Settings.


Windows Apps Removal

Here is a list of the Windows built-in apps and the apps downloaded from Windows store. These apps may take up system space so you can uninstall them as per your need to release more space.

Also, you can directly check ratings for Windows apps to better understand apps and decide whether to keep them or not.

Note: Windows Apps category only appears on Windows 8 and above.


Action Center

Some well-known IObit software or good programs from IObit Partners will be recommended here. You can install them to get better security protection and system performance.

Note: Click Hide at the top right of the window if you do not want the recommended programs. You can click Show at the bottom left to display them again when you change your mind.


More Features and Tools

Stubborn Program Removal

For stubborn programs which cannot be uninstalled in the normal way, IObit Uninstaller can uninstall them in an easy way with its specific and large database.

Note: This stubborn program removal feature is only available for PRO users.



IObit Uninstaller contains 6 handy and powerful tools and utilities: Software Health, Easy Uninstall, Force Uninstall, Uninstall History, File Shredder, and Windows Updates.


- Software Health

Software Health helps optimize all your software to make them run smoother and also reduce security risks. Four parts are included in this module: Uninstallation Leftovers, Site Notifications, Malicious/Ads Plug-ins, and Outdated Software.

- Uninstallation Leftovers deletes leftovers left by other uninstaller to free up more disk space.

- Site Notifications blocks site notification prompts from interrupting you.

- Malicious/Ads Plug-ins removes malicious/ads plug-ins for fast and secure browsing.

- Outdated Software updates outdated software to protect your PC from zero-day exploits and other security vulnerabilities.



- Easy Uninstall

Easy Uninstall allows you to quickly uninstall a program by dragging the Easy Uninstall icon to the program's opened window, desktop icon, or system tray icon.

Two methods to enable Easy Uninstall feature:

1. Open IObit Uninstaller > click Tools > select Easy Uninstall

2. Use hotkey: Ctrl+Alt+U. You can change your hotkey in Settings.



- Force Uninstall

Force Uninstall helps you uninstall a program which cannot be uninstalled in a routine way and cleans its residual files thoroughly. It can also help you remove a shortcut and its target file easily.

You can Browse... or drag and drop a file or folder to delete or uninstall its related program. Then click Uninstall to start the force uninstall process.

Tip: Another way to execute Force Uninstall is to drag and drop a file or folder into IObit Uninstaller main screen. Then the Force Uninstall window will pop up and you can click Uninstall to start the process.


- Uninstall History

The details and status for each uninstalled program will be displayed here. If the status is Scan for leftovers, you can click "Scan for leftover" to further find and remove all leftovers. Click the View details link to check the details of the uninstall history.



- File Shredder

Files deleted in a routine way can be recovered even after disk format. File Shredder helps you remove unwanted files safely and permanently.


Click + Add file… or + Add folder… to add files or folders you want to shred. Then please click the Shred button to shred and delete them completely.

Besides, for Windows XP and Windows 7 users, you can browse to find the files or folders, select them, and click the File Shredder button in Explorer to add them into the shred list. Please refer to the picture below.


- Windows Updates

Here is a list of all the installed Windows Updates on your computer. You can uninstall the unwanted Windows Updates to free up more space.

Note: Uninstalling Windows update may cause system unstable, so please make sure it's unimportant before deletion.


Customize IObit Uninstaller

Configure UI

To configure the UI to the one you like, please click the Options icon at the top right of the main screen and then click Settings to open the Settings screen.


- Click the drop-down menu of Current Language to select your language manually.

- IObit Uninstaller provides two skins: Dark and Light. You can choose the one you like.

- Click the Font size you need to change if the default font size doesn't suit you.

- You can change the Hotkey for Easy Uninstall here.



Automatically remove residual files: All residual files found will be removed automatically.

Delete leftover files to Recycle Bin: Files will be deleted to Recycle Bin instead of being permanently deleted from your computer so that you can recover them when needed.

Automatically delete leftovers of program uninstalled by other uninstaller: If a program is uninstalled by a third-party uninstaller or Windows uninstall, IObit uninstaller will automatically remove all its leftovers.

Add Shred File button to Explorer: With this feature, you can shred files from their location directly by clicking the File Shredder icon in Explorer. Note: Windows 8 and above system don't have this option.

If you are using the PRO edition, you can also set Update automatically to always enjoy the latest version automatically.



Notify me when bundleware is installed: Once there is any bundleware installed while IObit Uninstaller window does not open, you will get a notification.

Notify me when malicious plug-ins are installed: Once there is any malicious plug-in installed on your computer, you will get a notification to remove it.

Notify me when software updates are available: You will get notifications when there are available software updates.

Notify me when other uninstaller's uninstall operation is detected: After receiving this notification, you can use the Powerful Scan feature of IObit Uninstaller to find and remove the program leftovers.

Notify me when system disk free space is below 10%: You will get notification when your system disk free space is below 10%.

Notify me when installation log is created after the auto monitoring: If you enable Auto Monitor, you will get a notification when the installation is completed.


Ignore List

Here is an ignore list of Bundleware. The ignored items won't be detected as bundleware until you remove them from the Ignore list.


Technical Support

Every feedback from you is valued. To ensure you can reach us in time, we provide several feedback channels:


It's recommended to read our FAQs before looking in the other sections for help. Because sometimes, the questions have already been answered before you ask them!

IObit Forums

Post your questions and concerns to IObit Forums, and discuss them with many other experienced and enthusiastic users and our technical staff.

Online Feedback

If you can't find the answers on our FAQs page or IObit Forums, please don't hesitate to contact IObit Support Team here for support. We will reply to you ASAP.

Thank You

Thanks to all IObit Uninstaller users and beta testers who motive us to make this product and make it better and better.

Thanks to IObit Forum Administrators, Super Moderators, and Moderators who are selflessly dedicated to providing assistance to forum users timely.

Thanks to the following volunteer translators who greatly help improve IObit Uninstaller user experience and introduce it to more users worldwide:

Enis Özsaruhan, MFM Dawdeh, Əzizov Ağa, Alan, Jan Szotkowski, Lars Andersen, Kris Van Damme, Veikko Muurikainen, Chris Verberne, Roland LALIS, Nacho Lomidze, Sarakael Fallen, George Vardakis, Eli Ben David, Hevesi János, Purwo Adi Nugroho, Daniele Carraro, Nagai Tsuneo, JaeHyung Lee, Marius Kundrotas, Markflynn, Thor Stange, Mohammadmahdi Mansouri, Przemysław Siekiera, Igor Rückert, Fernando Santos, Cosmin Barna, Kuanysh Moldabek, Ilija Komljenović, dedko58, Marjan Mirai, Miquel Costa, Annelie Pernheden, Yurii Zamotailo, Nguyên Hùng Lâm.