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Malware Fighter 9 Pro
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Over time your MAC becomes slower and slower! Little by little, your MAC computer accumulates unused files, outdated settings and drivers which can cause slowdown. CCleaner removes them and updates all your drivers, so your Macintosh is faster.
Websites track your online behavior through cookies that remain on your computer. CCleaner for MAC allows you to erase your search history and cookies from your browser to keep your browsing confidential and to preserve your anonymity.
Clean up your Mac, Trash, temporary files and folders, broken permissions and more. Remove installed programs with one click.
CCleaner for Mac gives you all the flexibility you need. Select exactly what you want to clean, select custom files or folders, and choose which cookies to keep or delete.
Your system must meet the minimum requirements listed:
Mac OS X
You can register your license in CCleaner Professional for Mac by doing the following:
1. Open CCleaner > click Options > About
2. Click Register or Upgrade to Pro
Alternatively, if a license is already registered in the CCleaner application, but you need to activate a new replacement license key, you can do so using this method:
2. Double click on the line of text that says Registered at: [Your Name]
When the registration dialog opens, enter your CCleaner Professional or CCleaner Professional Plus registration information from your purchase confirmation email.
Typically, registration issues arise because of a small typing error when entering your details into the registration dialog. It's usually easier to use copy and paste (Ctrl-C and Ctrl-V on Windows, Cmd-C and Cmd-V on a Mac) to enter your purchase confirmation email details to to avoid typing errors.
If you enter your information by hand, please note:
Our keys do not contain the number 1 (one).
If you typed a number one, try replacing it with the capital letter i.
The name field must contain your registration name exactly as it appears in your order confirmation. Your email address will not work here.
You may also experience registration issues if:
Your CCleaner license has expired.
You are trying to use a CCleaner Professional for Windows license key on a Mac or a CCleaner Professional for Mac license key on a Windows PC. Note that a CCleaner Professional Plus key will work on both Macs and Windows PCs.
As mentioned above, if you have lost your CCleaner registration information or need to check your license status, expiration dates or get new download links to install on other computers, you can do so using our license search system.
Access the license search system
"Failed to save registration key file" error:
If you receive this message, it usually means that you are not running CCleaner with the correct permissions.
To solve this problem on Windows, please run CCleaner as an administrator. To do this:
1. Right click on the CCleaner icon
2. Select Run as administrator
3. Now re-enter your registration information in the pop-up window
To fix this issue on macOS, please run CCleaner as sudo.
To do this:
1. Open Applications >Utilities >Terminal
2. Type: sudo "/Applications/CCleaner.app/Contents/MacOS/CCleaner"
3. Press Enter/Return > type your Mac OS X password (you won't see any typed text as you type)
4. Press Enter/Return again and CCleaner will open as sudo