This part allows you to inspect and clean your various recent traces like recently run applications, recent documents, recently visited web sites, etc. Most of these traces are stored in the Registry.

Recent Applications

List of links to recently used applications.

Attention! When cleaning this list, you do not remove the files, only their links .

Recent Documents

List of links to recently opened documents (registered file types). This list appears in Documents on the Start menu and includes all documents opened in the system, directly from programs, File Explorer , by clicking desktop icons, etc.

Attention! When cleaning this list, you do not remove the files, only their links .

Jump Lists

Shortcuts to pinned and recently opened files, folders, or websites. They may appear either on the Taskbar or Start menu.

Attention! When cleaning this list, you do not remove the files, only their links .

File Explorer Jump List

Shortcuts to recently opened files, folders, or websites in File Explorer or its GUI components like Open or Save dialogs. Any folders in this list pinned to Quick access will be unpinned.

Attention! When cleaning this list, you do not remove the files, only their links .

Jump Lists Program History

A list of applications launched from the Search Results displayed as Jump Lists.

Open File History

List of links to files recently opened directly from programs (on the Open File dialog box). Those files do not include files opened from File Explorer, by clicking desktop icons, etc.

Attention! When cleaning this list, you do not remove the files, only their links.

Shell File History

Your system stores history of files opened with various Windows Shell components.

Attention! When deleting and wiping the cache, you do not remove the extensions, only their cached copies.

Activity History

(Windows 10+)

Activity history helps keep track of the things you do on your device, such as the apps, and services you use, files you open, and websites you browse.

Dialog Box Traces

Many application use common dialog boxes, for example, to open and/or save a file. Your system stores various information after using those dialog boxes in the applications.

SmartScreen File Information

The log of downloaded files that the SmartScreen service examined.

This part allows you to inspect and clean some data (mostly insignificant) of your recent activity. Most of these traces are stored in the Registry.

Recent Network folders

List of links to recently opened network folders.

Stored addresses of unread mail

Your system stores addresses and other information for unread messages received in e-mail clients.

Stored Application Descriptions

Your system stores a list of application descriptions and their paths for applications that have started at least once.

Stored Applications Compatibility Settings

Your system stores various compatibility settings for already removed applications.

Stored Browser Plugins Information

Your system stores some information about web browser plugins already removed applications.

Stored Control Panel Extensions

Your system stores some information about Control Panel Extensions.

Attention! When cleaning the cache, you do not remove the extensions, only their cached copies.

Stored Custom GPU Settings

(Windows 10+)

Your system stores some settings of applications that could customize graphics performance. They may have already been removed but their settings may remain.

Stored Desktop Shortcut Paths

Your system stores Desktop shortcut and target paths to applications removed from the system.

Stored Explorer View Settings

Your system stores a list of folders for which you changed settings in the View menu in File Explorer.

Stored File Virtualization

Your system stores a list of files that require administrative privileges to change. Your system will virtualize them if some programs tries to change them without sufficient privileges.

Stored FTP Accounts

Your system stores information used to connect to FTP sites.

Stored FTP Folders

Your system stores links to FTP folders you visited in File Explorer itself or programs using it as an FTP client.

Stored Microphone Usage Info

(Windows 10+)

Your system stores some information about microphone usage in various applications.

Stored Mounted Volumes

Your system stores some information about volumes located on external media.

Stored Notification Display Info

(Windows 8+)

Your system stores some settings for displaying notifications of applications already removed from the system.

Stored Notification Settings

(Windows 10+)

Your system stores some information about notifications.

Stored Programs DOM Data

DOM (Document Object Model) data of the applications that use system's web browser

Stored Quick Launch Shortcuts

The Quick Launch bar is not used in Windows since Windows 7, but some applications still can create their Quick Launch shortcuts in any Windows. shell.

Stored Registry Virtualization

Your system stores some information about the virtualization of some Registry keys that require administrative privileges for changing their values and subkeys, and some applications running without such privileges try to change them.

Stored Shell Activity

Your system stores some information about programs launched via System shell.

Stored Sound Properties

Your system stores sound properties of some applications.

Stored Sound Schemes

System stores the sound schemes of removed applications.

Stored Start Menu Items

In the All Programs section of the Start Menu, your system may store some items (like shortcuts and folders) linked to applications that have already been removed from the system.

Stored Startup Applications Info

Your system stores some information about applications launched during system logon and which have already been removed from the system.

Stored UWP Programs Window Sizes

Your system stores main window screen position of the UWP (Universal Windows Platform) programs and games already removed from the system.

Stored Webcam Usage Info

(Windows 10+)

Your system stores some information about webcam usage in various applications.

Stored Web Credentials

Your system stores some information, such as user names and passwords used to log on to websites.

Stored Windows Credentials

Your system stores some information, such as user names and passwords used to log on to other computers on a network.

Taskbar Badges Update Statistics

Your system stores the number of the badge updates of each program on the Taskbar.

Taskbar Button Click Statistics

The number of times Taskbar has been clicked.

Taskbar Favorites Statistics

Various data about the Taskbar Favorites usage.

Taskbar Jump View Statistics

Your system stores the number of displays of Jump Views for each program on the Taskbar.

Taskbar Program Launch Statics

Your system stores the number of launching programs pinned to the Taskbar.

Taskbar Program Switching Statistics

Your system stores the number of program switching on the Taskbar.

Windows Spotlight Images Data

(Windows 10+)

The Windows Spotlight downloads images and ads from Bing and displays them as background wallpapers on the Lock screen.

This part allows you to inspect and clean information of file type association (file types, protocols, etc.) for already removed applications. Most of these traces are stored in the Registry.

Stored COM Class Identifiers

Your system can keep the Class Identifiers of COM objects in already removed applications.

Stored Custom File Type Associations

Your system can store custom associations of file types with applications already removed from the system.

Attention! Only extensions with "Yes" in the "Will be Deleted" column will be unregistered (removed).

Only links to other applications already removed from the system will be deleted.

Stored File Types

Your system can keep the file name extensions associated with already removed applications. .

Stored MIME Types

Your system stores MIME types registered by already removed applications..

Stored Program Identifiers

System stores the program identifiers of removed applications.

This part allows you to inspect and clean information from various installers and clean trances left after uninstalling applications. Most of these traces are stored in the Registry.

App Installer Traces

Your system can store information from Microsoft App Installer that makes sideloading Microsoft Store apps easy.

Stored Installation Information

Your system can store information from the distribution kits of already removed applications.

Stored Installer Components Paths

Windows Installer stores paths used during the installation of some programs or services.

Stored Installer Packages

You system can store Windows Installer package files (with patches)  of already removed applications.

Stored Installer Registry Keys

Windows Installer stores the Registry key names used during the installation of some programs or services.

Stored UWP Programs Uninstall Time

You system can store the time of the UWP (Universal Windows Platform) programs and games uninstall.

Store Policy Check Cache

Each UWP (Universal Windows Platform) program is checked for compliance with Microsoft Store policies during installation.

Suggested UWP Programs

You system may suggest you to install various UWP (Universal Windows Platform) programs and games.

WWEP Traces

(Windows 10 and higher)

You system stores information about Windows Web Experience pack, a system that updates core web components used by Store applications.

This part allows you to inspect and clean some data caches . Some caches will be created again.

Cached Certificates

Cached certificate files used for authentication and data encryption. Included are certificates and Certification Revocation Lists (CRL). Cleaning this cache removes cached copies, not the original files.

Cached GDI+ Fonts

Your system stores a cache of GDI+ fonts installed in the system

Attention! When deleting and wiping the cache, you do not remove the files, only their cached copies.

Cached Icons

Your system stores a cache of icons of applications that have started at least once to show them faster in Taskbar, Desktop, Start menu, and Program Icons.

Attention! When deleting and wiping the cache, you do not remove the files, only their cached copies.

Cached Shell Extensions

Your system stores some information about Shell Extensions (like added shortcut menu items, etc.) of various applications that are installed in the system.

Attention! When deleting and wiping the cache, you do not remove the extensions, only their cached copies.

Cached Web Content

A cache of various web content (web pages, images, sounds, video, animations, etc) viewed in applications that use system components for viewing web content.

Direct3D Shader Cache

A cache of the Direct3D Shader Caching Library files.

DNS Cache

A local cache of the DNS Resolver. This cache stores information about previous DNS lookups to enable Windows or your browser find them quicker.

It doesn't affect network caches.

Feeds Cache

A cache of web feeds created by some applications.

GPU Shader Cache

A cache of a shader, a program that runs on the system's Graphic Processing Unit (GPU) to perform specific graphic rendering tasks.

Notification Cache

Your system creates notification cache for the applications pinned to the Start screen.

Security Token Service Cache

Files cached by the Security Token Service.

Thumbnail Caches

For faster access, your system stores several caches of various thumbnail images from certain files.

Attention! When deleting and wiping the cache, you do not remove the files, only their cached copies.

Windows Search Databases

Your system stores a cache of files with the detailed information about files used by Windows to perform very fast search among most popular files on the computer.

Attention! When deleting and wiping the cache, you do not remove the extensions, only their cached copies.

This part allows you to inspect and clean some miscellaneous traces from various sources. Cleaning these traces may give you some sufficient drive space.

Temporary Files and Folders

List of temporary files and folders created by your various programs.

AAD Broker Plugin Traces

(Windows 10+)

The Azure Active Directory (AAD) Broker Plugin is needed for Windows Store Sign in and.or App Installs in that to free apps can be installed without signing in.

Clipboard content

Clipboard content.

Common Language Runtime Logs

Your system stores various logs created by the Common Language Runtime (CLR) component of the .Net Framework. You may see file content by clicking it.

Crash Dumps

Your system stores application's memory dumps created during the application crash. These memory dumps help the application developers to determine the causes of the crashes.

Explorer Diagnostics Logs

Your system stores diagnostics logs for Windows Explorer. These logs store information that can be used for troubleshooting.

HAM Commit History

(Windows 10+)

The history of Host Activity Manager (HAM) that manages the state of a packaged application.

Invalid Desktop shortcuts

List of shortcuts that are on your Desktop but not linked to any existing objects. There are two types of invalid Desktop shortcuts:

1. Invalid shortcuts to objects on hard disks. Most probably they are linked to deleted objects. They are selected by default and will be removed if Invalid Desktop Shortcuts is selected. If you want to keep the links in the system, clear the links to the objects.

2. Invalid shortcuts to objects on removable disks. Most probably they are linked to objects on removable disks that are not present in your system at the moment. They are not selected by default and will not be removed Invalid Desktop Shortcuts is selected. If you want to remove the links from the system, select the links to the objects.

Network Diagnostic Logs

Diagnostic logs for troubleshooting of networks

Problem Reports

List of programs that caused problems to Windows. You may double-click an item to see its report.

Recycle Bin

List of files and folders stored in the Recycle Bin.

System Registry Traces

Registry records of items used by system (mapped network drives, attached devices, etc.)

Empty registry traces lists are dimmed.

SSO Authentication Traces

Your system stores files from the Single Sign-On web service that allows you to use single authentication for any of your Windows devices and Microsoft services.

Startup Menu Experience Host Traces

Your system stores traces from Start Menu Experience Host Traces helps the Start menu in Windows computers to run smoothly and independently, thus removing any chances of errors or crashes associated with the Startup menu.

Stored Environment Variables

Your system stores a number of environment variables created by already removed applications.

Store Locations of Type Libraries

Your system stores locations of type libraries that store information about COM objects from already removed applications

Sync Traces

Traces of content and setting syncing through your Microsoft account.

Visual Studio App Center Log

Logs of the Visual Studio App Center, services for building, testing, releasing, and monitoring of mobile and desktop applications.

Web Content Databases

Databases of viewed web content .

Attention! It's recommended to remove these databases together with Temporary Internet Files, Cookies , and History of Internet Explorer.

WebView Traces

The Microsoft Edge-based WebView control can be used in modern Windows applications to display web content instead of the old IE-based control.

Windows Update Log

The log of updates that your system downloaded and automatically installed.