Windows 10: Tamper Protection problem

in my Windows 11pro PC I noticed that Tamper Protection is turned OFF and marked as "This setting is managed by your administrator." I am unable to turn it on.1 no anti-virus/anti-malware 3rd party software is installed on the computer.2 This is my PC and I am the admin, it is not run or owned by anyone else.3 I've scanned the computer several times using Windows Defender, including offline scan and no threats were detected.4 Other settings such as Real-Time protection DO NOT HAVE this issue.5 As of this posting the latest Windows 10 updates have been downloa

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Defender Tamper Protection/1903

Moderators: This thread deals with Defender Tamper Protection setting and 1903. If this would be better served in a different location, please feel free to move the post.

Just wondering if anyone who installed 1903 is having any unusual issue with Defender's Tamper Protection.
Here's the blow-by-blow.....

1. Friend and I were running 1809 and installed 1903 via Update Assistant on Tuesday, May 21st. No issues and Defender Tamper Protection was on (default setting).
2. Two days later, the 23rd, friend gets alert that Tamper Protection is off. She turned it on and it seems to be holding.
3. Today, I get the alert Tamper Protection is off and I turned it on. So far, it's holding.

I have no idea why Tamper Protection would turn off. Both computers are clean -- no viruses, trojans, malware or adware. We do not mess around in the registry and there is absolutely no third-party antivirus on either machine.

For now, I'm taking a wait-and-see if Tamper Protection turns off again. I don't know if it's a 1903 bug or not. Any ideas or suggestions would be appreciated.

 

Cant turn off tamper protection

Hi Faza,

I'm Christine, a Windows user like you. I'll do my best to help you.

I can see here that you cannot turn off the tamper protection. Please follow the steps below:

1. Please click start menu and type Access Work or School and hit enter. Check if there's an account connected, please try to disconnect it and check if you will be able to turn off the tamper protection.

2. Please check this link and follow the steps given by Kapil Arya and Dave Patrick.

https://learn.microsoft.com/en-us/answers/quest...

Please let me know the result. I'll be happy to assist you all the way until it's resolved.

Thank you,

Christine L

Independent Advisor

 

Tamper Protection won't stay on

I have Windows 10, version 1909.

Tamper Protection, arbitrarily it seems, turns off.

For example, when I check, Tamper Protection will be on.

After doing some computer work, I check Tamper Protection and it's off.

I've tried going to Virus & threat protection >Virus & threat protection settings > Manage settings to turn Tamper Protection on.

Even though I've turned it on, there is the yellow triangle with the statement "Tamper Protection is off. Your device may be vulnerable."

that remains there?

When I close the window and subsequently come back to Tamper Protection it will be off again?

Through trial and error, I've discovered the only way I can get Tamper Protection on is to perform the following:

Restart. When I restart, Virus & threat protection settings and Virus & threat updates show as off (There are no green bullets with white check marks showing by their respective icons.)

I restart again. This time Virus & threat protection settings and Virus & threat updates are now back on (The green bullets with white check marks show again.) Tamper Protection is back on too.

Unfortunately, at some point Tamper Protection will be off again and I'll have to go through the above exercise again.

Any help you can give me to solve this will be very appreciated.

Thanks,

Bill.