CCleaner and Browsers

CCleaner for Windows
1

I deleted the Opera browser. CCleaner still reads the add-ons for it. Why would CCleaner still see the browser and all it's add-ons?

2

1. Left over registry data.

2. And/or left over user application data, such as the Opera profile being left fully intact.

3
Windows package
  • Opera can be installed and run from everywhere.
  • The default Windows installation location is: %PROGRAMFILES%\Opera (this requires administrator rights)
When Opera is installed with the single user option
  • User settings are saved into Opera\profile.
  • E-mails are saved into Opera\profile\mail.
When Opera is installed without the single user option
  • User settings are separated between the roaming profile and the local profile.
  • The actual location of the directories for the current user is defined in the Windows registry at: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders

Windows preferences

Profile type Registry value Description

Roaming AppData Only a small amount of data can be put here; the roaming profile is limited to a

maximum of 30 MB.

Local Local AppData The rest of the user data can be placed here.

Windows system

  • Plug-ins from external applications can be located anywhere.
  • Some of them are advertised in the Windows registry.