Windows 10: 0x80070426

I suddenly got this error code (0x80070426) on my pc I can't use ondrive ore Office I can't log in to accounts that are used by the Microsoft account lice store and windows. I can use the apps on the web. What should I do?

:)

 

Windows freezing, error 0x80070426

Hello Ádám,

To address your concern regarding the Microsoft Security Client error 0x80070426 that you are having, kindly check the suggested steps from
PA Bear - MS MVP on this
thread.

Let us know how it goes.

Regards.

 

Error 0x80070426


Fast Start on or off makes no difference.

Software Protection is set to Automatic Delayed. The status on the list of services does not show it running. The status on the properties showed it running, then not running. If that sounds strange, look at the status of the Security Center on both windows, it's showing both:

 

Error code: 0x80070426 when opening Windows Defender

Hi,

The error code 0x80070426 can be caused by corrupted system files when an update was performed on your device or Windows Defender detects a third-party antivirus software is also installed. We suggest that you check your PC if a security is installed or
not. Once third-party antivirus has been removed, you may need to turn it manually back on. To do this, follow the steps below:

• Press the Windows + Q key from the keyboard to bring up the charms search.
• In the Search box, type Windows Defender, then press
  Enter.
• Click Settings and make sure that there's a check mark on
  Turn on real-time protection recommend.

Feel free to respond if you need additional assistance.