Piriform News

CCleaner v5.36

The Piriform team would like to announce the latest release of CCleaner for Windows.

CCleaner version 5.36 introduces a new security feature, fixed Firefox cleaning and some quality-of-life improvements around our default cleaning preferences.

Browser Cleaning

  • Firefox: updated Session cleaning rule to support changes in Firefox 56.0
  • Chrome (& Chromium): updated Internet History cleaning rule to clean user activity data
  • Opera: updated Internet History cleaning rule to clean user activity data

Default Cleaning Rules

We are changing our default cleaning rules so that your recently used files and saved browser sessions aren't wiped without your explicit consent. These changes will take effect automatically for fresh installations of CCleaner, but we won't overwrite any of your existing preferences. To use the new default settings, go to the 'Cleaner' menu, right click on the 'Windows' and 'Applications' tabs and select 'Restore default state'.

  • Windows Explorer: Most Recently Used documents and other MRU files no longer cleaned by default
  • Windows Defender: Scan history no longer cleaned by default
  • Microsoft Office: MRUs no longer cleaned by default
  • Edge, Chrome/Chromium, Firefox, Opera, Safari, Thunderbird: Current session data no longer cleaned by default

Emergency Updater

Following the security incident in September we have taken steps to improve our security across the board. Within CCleaner, this means the addition of an 'Emergency Updater' security feature that allows us to force a software update in a worse-case scenario. We have ring-fenced the updater in its own executable to allow it to operate independently from the main executable. The update check runs as a scheduled task in Windows.

Emergency Updater checks regularly to see if an emergency security update is available. If one is, it applies the update immediately. Checks only transmit 1-2 KB of data and generally an emergency update will consist of a differential patch roughly 500 KB in size.

  • Added new executable: "CCUpdate.exe"
  • Added new Windows Scheduled Task: "CCleaner Update"

 

Download now! 
You can download CCleaner Free here.

Fancy a few more features? Download the CCleaner Professional trial version here

If you are already a CCleaner Professional user your installation will update automatically.

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CCleaner Cloud v1.08

The Piriform team would like to announce the latest release of CCleaner Cloud, which has had an agent update.

CCleaner Cloud version 1.08 has been released with a new digital signature to update our systems after the September 18th security notification

This update applies to all versions of CCleaner Cloud (Free, Pro and Business).

Give it a try!
If you are already a CCleaner Cloud user your installation will update automatically.

If you'd like to become a CCleaner Cloud user you can sign up by trialling our Pro version free-of-charge. We don't ask for card details because we believe in giving users a no fuss, no obligation trial. If at the end of your trial you don't wish to continue as a Pro user your account will automatically be converted to CCleaner Cloud Free. You'll then be able to manage up to 3 computers.

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