Catalina Cache Cleaner

Catalina Cache Cleaner (CCC) is a utility designed to provide easy access to numerous macOS maintenance and utility options. When used in combination with macOS's disk repair tools, it can be very effective in curing many system problems. Catalina Cache Cleaner Mac版是Mac OS平台上一个屡获殊荣的Mac系统清理软件，它使得使mac OS系统的维护变得更加简单，拥有简单直观的界面，提供许多服务OS X Mavericks系统功能。无论新手还是专家用户都将欣赏MCC提供的强大的工具集。.

Are you facing trouble while opening a website in macOS Catalina? DNS or Domain Name System resolves website names from IP addresses. If your browser is unable to load the website then the most obvious problem is the DNS error.

If you are facing this problem in macOS Catalina, then we have the solution for you. Reset and flush DNS cache will solve this error and it loads the websites properly. Also, clearing the cache will speed the website loading speeds faster in all OS’s including macOS Catalina.

How to Flush or Clear DNS Cache in macOS Catalina

There are several steps involved in flush DNS Cache in macOS Catalina which are very easy to follow. All you need to open Terminal on your mac to run a few commands.

1. macOS Catalina

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

For the older macOS versions, follow the below steps.

2. macOS Mojave

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

3. macOS High Sierra

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

4. macOS Sierra

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

5. macOS El Capitan

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

6. macOS Yosemite

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo discoveryutil udnsflushcaches
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

7. macOS Mavericks

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

Flush Dns Catalina

8. macOS Mountain Lion

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

9. macOS Lion

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo killall -HUP mDNSResponder
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

10. macOS Snow Leopard and older versions

Open Terminal (Application – > Utilities – > Terminal or click Go- > Utilities- > Terminal).
Now type the below command in Terminal and hit the enter button.
sudo lookupd -flushcache
If you are using a password for authorization, then you need to enter the macOS password to execute the command.
After, close the command.

That’s it. Once you follow the above steps you will clear DNS cache in Mac. Now restart your browser and enjoy the error-free browsing experience.

Version History

v1.18.30 (05 Oct 2020)

Update skype for mac. Please note we have patched version 1.18.28 to 1.18.30 to fix a stability issue with CCleaner's update mechanism.

Champions that do dmg overtimeminew. This latest CCleaner for Mac release brings support for the latest versions of macOS, stability fixes, and big improvements to accessibility.

General

Added support for macOS Catalina and Big Sur

Stability

Fixed a crash when using Large File Finder or Duplicate File Finder

Accessibility

Greatly improved support for VoiceOver so that people with visual impairments who use assistive technology can navigate quickly and intuitively through the app
Updated color contrast throughout the user interface to make text, icons, and buttons more readable for people with color vision deficiency

v1.18.28 (22 Sep 2020)

This latest CCleaner Mac release brings support for the latest versions of macOS, stability fixes and big improvements to accessibility.

General

Added support for macOS Catalina and Big Sur

Stability

Fixed a crash when using Large File Finder or Duplicate File Finder

Accessibility

Greatly improved support for Voiceover so that people with visual impairments who use assistive technology can navigate quickly and intuitively through the app
Updated colour contrast throughout the user interface to make text, icons and buttons more readable for people with colour vision deficiency

v1.17.603 (21 Aug 2019)

*NEW* Large File Finder

A new feature to scan for files above a specified size. These can then be selected and securely deleted

macOS:

Added cleaning support for MacOS Catalina Beta

Browser Cleaning:

Firefox: Improved Cookies and Site Data cleaning
Safari: Improved Last Session cleaning Bug Fixes

Bug Fixes:

Fixed a bug which caused a blank amount of cleaned data in some Smart Cleaning popups
Fixed a bug which caused some users to be navigated to the wrong page when opening CCleaner from the status bar
Fixed a bug which prevented CCleaner from automatically reopening after updating

Translations:

Improved translations for: German, Spanish, Dutch, Czech, French, Italian, Japanese, Polish, Portuguese & Russian
Added translations for various dialog boxes

v1.16.573 (20 Jun 2019)

macOS: 7th grade grammar worksheets pdfwillbrown.

Added full support for macOS Mojave Browser Cleaning
Fixed an issue where the users password is requested multiple times when cleaning
Crash fix when cleaning System Logs on OSX Mountain Lion
Fixed an intermittent issue causing crashes when cleaning cookies Settings & Preferences
Updated privacy text

Safari:

Updated Cache and cookie cleaning

Firefox:

Improved Session cleaning Bug Fixes

v1.15.507 (24 May 2018)

Added full support for macOS High Sierra
Added full support for macOS Sierra
Fixed issue preventing CCleaner from running on macOS Snow Leopard (OS X 10.6)
Significant performance improvements
- Safari:
  - Many cleaning improvements & fixes
- Chrome:
  - Many cleaning improvements & fixes
- Firefox:
  - Many cleaning improvements & fixes
- Opera:
  - Many cleaning improvements & fixes
Fixed warning not displaying when removing a startup item
Fixed bug showing that Recent Places had not been cleaned when it had
Fixed display issues in list of unwanted system language files for removal
Fixed detection & cleaning of Directory Service cache
Added new Privacy menu
Updated cleaning Downloads warning to include all applicable user download directories

v1.14.451 (01 Sep 2016)

Added macOS Sierra Beta compatibility (10.12).
Updated Chrome history cleaning.
Updated Safari Session and Form history cleaning.
Optimized startup routine.
Further improved high DPI support.
Minor GUI improvements.
Minor bug fixes.

v1.13.442 (28 Jun 2016)

Catalina Cache Cleaner Review

Updated Uninstall tool file removal.
Improved Google Chrome history cleaning.
Improved Cleaning results display.
Improved Retina display support.
Updated various UI elements.
Optimized update process.
Minor bug fixes.

v1.12.339 (16 Feb 2016)

Improved OS X (10.11) El Capitan compatibility
Updated Safari 8 Cookie cleaning
New modern sidebar icons
Improved Google Chrome and Opera Browser Monitoring (Professional Only)
Updated Erase Free Space support
Minor GUI improvements
Minor bug fixes

v1.11.336 (15 Dec 2015)

Improved OS X (10.11) El Capitan compatibility
Improved Google Chrome 47 Cache cleaning
Optimized Silent Background update process. (Professional only)
Improved Browser Monitoring. (Professional only)
Updated exception handling and reporting architecture
Minor GUI improvements
Minor bug fixes

v1.10.335 (23 Sep 2015)

Added OS X (10.11) El Capitan compatibility
Improved Safari 8 Session and History cleaning
Improved Opera Cache and Saved Password cleaning
Improved Cookie management
Added Microsoft Office 2016 cleaning
Added Portable version
Minor GUI improvements
Minor stability and bug fixes

v1.9.313 (16 Sep 2014)

Improved OS X (10.10) Yosemite compatibility
Added Safari 8 cleaning
Improved Startup Item Management
Improved Cookie Manager
New System and Browser monitoring (Professional only)
Added Social Media links
Minor GUI improvements
Minor bug fixes

Catalina Cache Cleaners

v1.8.302 (22 Jul 2014)

Added OS X (10.10) Yosemite Developer preview compatibility
Improved Google Chrome cleaning
Improved Cookie detection and cleaning
Added Automatic Update checking
Added Silent Background updates. (Professional only)
Added Opera 15 and newer cleaning
Updated exception handling and reporting architecture
Minor GUI improvements
Minor bug fixes

v1.7.236 (17 Apr 2013)

New interface and icon
Improved cookie management
Optimized cleaning speed for OS X 10.8
Improved Safari cleaning
Added in-app upgrade to Pro version
Improved compatibility for OS X 10.5
Minor GUI improvements and bug fixes

v1.6.208 (18 Dec 2012)

Faster cleaning of Google Chrome cache
Improved memory usage on OSX 10.8
Improved handling of non-standard Startup Items
Improved calculation of application size for Uninstall tool
Fixed issue that caused some cookies to be saved incorrectly
Fixed issue that could cause Firefox DB optimization to be skipped
Added check for updates
Minor bug fixes

Dns Enabler For Catalina

v1.5.189 (22 Oct 2012)

Catalina Cache Cleaner Software

Added full support for Mac OS 10.8.2
Added Custom Include/Exclude for files and folders
Improved Uninstall Tool when the Applications folder has subfolders
Improved stability of Repair Permissions when a USB thumb drive is present
Improved GUI updates during long operations
Improved memory management for long operations
Fixed bug that could cause an incorrect file count for Safari Internet Cache
Fixed issue with Chrome that could leave a single cookie undeleted
Fixed minor bug issue that could cause a crash on Mac OS 10.6.8
Improved stability on older Mac OS 10.5 versions
Lots of minor tweaks and fixes