How good is Windows Defender for protecting your Windows computers safety?
Check the analysis in this post.
Here, we have concluded some different underlying causes that might be triggering this error code.
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Step 1: OpenRunby pressingWin + Rand typeservices.mscto enter theServiceswindow.
Step 2: Locate and double-select theWindows Defender Firewallservice and verify if itsStartup typeisAutomaticandService statusisrunning.
Step 3: Then c’mon check the following services to double-check theirStartup typeoptions are set asManual.

Step 1: OpenSearchby pressingWin + Sand inputCommand Promptto chooseRun as administrator.
Step 2: Typesfc /scannowin the window and pressEnterto execute it.
This process will take some time and you should wait until it shows you the result.

Then you’ve got the option to execute the following commands for further troubleshooting.
After that, like reset your system to look to see if the issue gets removed.
Step 1: OpenRunand typemsconfigto enterSystem Configuration.

Step 2: In theBoottab, check the box ofSafe boot, and in theStartuptab, clickOpen Task Manager.
Step 3: Locate and select those enabled programs and clickDisableto end them one by one.
Step 4: Go back to theSystem Configurationwindow, and clickApplyandOKto save the changes.

More methods to get into Safe Mode?
Step 1: Go toStart > tweaks > Update & Security > Windows Security > Virus & threat protection.
Step 2: Scroll down to locateCheck for updatesunderVirus & threat protection updatesfrom the right panel.

If updates are available, allow Windows Defender to download and install them and then reset your rig.
Step 2: Copy and paste this location in its path bar and pressEnterto locate it.
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To fix the Windows Defender error 0x800700aa, this post can be helpful.
This error can stop the normal functioning of Windows Defender and put your system in danger.

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