Unable to turn on Windows Defender in Security Center

I am also having the same problem. The Security Center recoginizes Trend
Micro but doesn't recognize Windows Defender and reports it as "off".
According to the Task Manager Windows Defender is running (MSASCui.exe).

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1 25th April 16:57 jonathan ¢v…©ÝŠÇ.²È¨žÉ¢rº,¡û\¢ External User Posts: 1	Unable to turn on Windows Defender in Security Center I am also having the same problem. The Security Center recoginizes Trend Micro but doesn't recognize Windows Defender and reports it as "off". According to the Task Manager Windows Defender is running (MSASCui.exe).