Avast not picked up by Windows security center

Avast Free Antivirus / Premium Security
1

I installed Avast Pro and it is not getting detected by the security center

2

The windows security center can be somewhat flaky at times.

Have (or did) you another AV installed in this system, if so what was it and how did you get rid of it ?

Windows Security Center not recognising avast!
Frequently asked questions about Windows Security Center
Check this - Solution when Windows Security Center does not recognize antivirus or firewall

Let us know if this resolves the problem.