Cannot turn on Windows Defender in Windows 8.1 after uninstalling Kaspersky


Active Members
Jan 10, 2007
I'm wondering if I need to use the Kaspersky uninstall removal tool. I uninstalled it through Programs, but am wondering if "remnants" of it are preventing Defender from turning on. I've already tried the tips about manually starting it through command prompt and going through the Action Center. Tried to reinstall Defender, but it wouldn't, as it's already installed, but won't turn on.

Any thoughts out there? I'm trying to do this for an elderly lady. Very frustrating!!


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