

It checks for suspicious program behavior and alerts you if an unknown program starts to ask for access to system files or the internet. ZoneAlarm is a common security program, as is Comodo Antivirus. You see a warning from ZoneAlarm firewall or Comodo Antivirus:

Once upgraded, you can select other user accounts in Options > Users. If you want to clean other user accounts, you would need to upgrade to CCleaner Professional. You cannot clean other user accounts on your computer:ĬCleaner Free only cleans the current user account on your computer. This resets all settings in the CCleaner software, including the Cookies to Keep list and Include/Exclude lists but allows these prompts to be displayed again, allowing you to ask CCleaner to close open browsers again. To allow these dialogs to be shown again, please visit the Options > Advanced section of the software and click Restore default settings. You can be prompted for this even if the browser(s) appears closed, as they may be running in the background. If the Do not show me this message again option is checked, CCleaner becomes unable to ask for this permission and cannot close the open browsers. When CCleaner detects that certain programs are running, typically browsers, you get prompted to close these programs, as CCleaner requires your permission to close these programs. CCleaner shows that certain items are skipped when cleaning: Under the Windows tab, in the Advanced section, select the Custom Files and Folders checkbox.Ģ.In CCleaner, click the Custom Clean icon at left.You can do this in the Custom Clean section before you run a clean: Files or folders you have selected are not being cleaned:Īs well as adding files or folders to the Include section of the Options area Options > Include, you also need to tell CCleaner you want to clean custom files and folders. This page can help you if you have a problem with the way CCleaner is cleaning, plus if it's triggering warnings from an antivirus or firewall program, or you're having some specific issues with Windows user accounts.
