halpernl Posted July 2, 2013 Share Posted July 2, 2013 When I try to install the latest version of CCleaner or Defragler it tells me that I need Windows XP or higher. I am running Windows 7. How do I fix this? Link to comment Share on other sites More sharing options...
Moderators hazelnut Posted July 2, 2013 Moderators Share Posted July 2, 2013 First make sure you either got the installer from here http://www.piriform.com/ccleaner/builds or here http://www.filehippo.com/download_ccleaner/ Do you have service pack one for Windows 7 installed? Is it Win 7 basic, home or pro? Make sure the installer isn't using compatability mode for some reason (right-click on installer and select properties, then compatibility tab) Support contact https://support.ccleaner.com/s/contact-form?language=en_US&form=general or support@ccleaner.com Link to comment Share on other sites More sharing options...
Winapp2.ini Posted July 2, 2013 Share Posted July 2, 2013 If all else fails, you can run the portable CCleaner winapp2.ini additions thread winapp2.ini github Link to comment Share on other sites More sharing options...
halpernl Posted July 3, 2013 Author Share Posted July 3, 2013 Windows Help reports Windows 7 Home Premium, Service Pack 1. No compatibility mode. Please note that CCleaner versions below 4 installed and ran just fine, so I would assume that something changed in the installer. Is there a registry key I should look at? Link to comment Share on other sites More sharing options...
halpernl Posted July 3, 2013 Author Share Posted July 3, 2013 Further info that may help. Portable version of CCleaner runs OK. However, portable version of Defraggler gives me the same error message. Link to comment Share on other sites More sharing options...
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