throwmeaway56 0 Posted March 10 Hi, Version 5.64 (3 March 2020) does not run on XP (with SP3). Error is 'ccleaner.exe is not a valid win32 application'. I assumed this is the last version to work on XP? For now I will stick to 5.63. Thanks. Share this post Link to post Share on other sites
hazelnut 2 Posted March 10 Are you using the slim build? https://support.piriform.com/hc/en-us/articles/360040325231-Which-versions-of-CCleaner-work-with-Windows-XP-or-Vista- Share this post Link to post Share on other sites
