SLS Posted October 15, 2019 Share Posted October 15, 2019 I just downloaded CCleaner 5.63. But every time I try to activate it, this pops up: "Windows protected your PC Windows Defender SmartScreen prevented an unrecognized app from starting. Running this app might put your PC at risk." So what's the problem? Link to comment Share on other sites More sharing options...
Moderators Nergal Posted October 16, 2019 Moderators Share Posted October 16, 2019 See here ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
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