Programs in Ccleaner's Application tab

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Usually this can happen if the program file is still in c\program files after the uninstall.

Do a Windows search to see if you get any hits for a folder perhpas in doc and setting etc.

Also entries for the product can be left in HKCU/software and HKLM/software.

This is often the fault of the products uninstaller not cleaning up after itself.

 
[Quicktime Player]
ID=2035
LangSecRef=3023
Detect=HKLM\Software\Apple Computer, Inc.\QuickTime
Default=True
RegKey1=HKLM\Software\Apple Computer, Inc.\QuickTime\Recent Movies
FileKey1=%userprofile%|QTPlayerSession.xml
FileKey2=%appdata%\Apple Computer\QuickTime|QTPlayerSession.xml
FileKey3=%localappdata%\Apple Computer\QuickTime|QTPlayerSession.xml

[Quicktime Player Cache]
ID=2036
LangSecRef=3023
Detect=HKLM\Software\Apple Computer, Inc.\QuickTime
Default=True
FileKey1=%localappdata%\Apple Computer\QuickTime\downloads|.|RECURSE
FileKey2=%locallowappdata%\Apple Computer\quicktime\downloads|.|RECURSE

Check HKLM\Software\Apple Computer, Inc.\Quicktime and if its there, remove the entry :)

Check HKLM\Software\Apple Computer, Inc.\Quicktime and if its there, remove the entry :)

in the registry he means

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Would deleting values through Regedit be of any help at all?

I'm not really fond of messing with any registry key but

I would take the chance thanks

yes. CCleaner works on a Detect and clean method, thus deleting the quicktime referenced above will indeed stop ccleaner from detecting it.