Install Windows Defender
I'm Greg, an installation specialist and 8 year Windows MVP, here to help you.May be some Kaspersky spyware leftovers that are interfering. Try running their removal tool from here:Then if Defender won't start Real Time protection in Security Center, go over this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done:Start with Step 4 to turn off Startup freeloaders which can conflict and cause issues, then Step 7 to check for infection the most thorough way, then step 10 to check for damaged System Files. Then continue with the other steps to go over your install mostthoroughly.If nothing else helps then run a Repair Install by installing the Media Creation Tool and choosing from it to Upgrade Now.
This solves many problems and will also bring it up to the latest version which you need anyway and by the most stable method.But remember that Factory or Upgrade installs are inferior installs which most enthusiasts won't even run because they'd expect endless issues. Consider now or later doing the Clean Install in this link which compiles the best possible install that will staythat way as long as you stick with the tools and methods given:There is also an automated Refresh that reinstalls WIndows while shedding corrupting factory bloatware, saves your files, but doesn't clear the drive to get it cleanest:I hope this helps. Feel free to ask back any questions and let us know how it goes. I will keep working with you until it's resolved.Standard Disclaimer: There are links to non-Microsoft websites. Pediatric glasgow coma scale pdf document. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughlyresearch any product advertised on the sites before you decide to download and install it.- I am a volunteer and not Microsoft.
Install Windows Defender Windows 8
Install Windows Defender 7
Over 100,000 helped in forums for 10 years. I don't quit for those who are polite and cooperative. Windows MVP 2010-20. How to restart Defender:If you've previously uninstalled a third-party antivirus product (avast!, AVG, Norton/Symantec, McAfee or some other product), you might see a dialog that states that Windows Defender is turned off.