Error Code 0x800b0100

Error Code 0x800b0100

When start the Windows 10 each time, When I click on the Microsoft Defender to open the window. I get the following Error. Last Three days, I browse the internet, but I could not find correct solution, can anyone help me to resolve this issue.

Microsoft Security Client

An error has occurred in the program during initialization. Of this problem continues, please contact your system administrator.

Error Code: 0x800b0100

welcome , this is the same question like you

Have you scanned with any malware scanners to see if malware has compromised your system? Recommended scanners are Malwarebytes (Free version) & AdwCleaner.

If no malware is detected, suggest you run a SFC to check if any of your files are corrupted/can be repaired. Option 3 is recommended.

SFC Command - Run in Windows 10 - Windows 10 blog

   Note

If SFC could not fix something, then run the command again to see if it may be able to the next time. Sometimes it may take running the sfc /scannowcommand up to 3 times with Fast Startupturned off and restarting the computerafter each time to completely fix everything that its able to.

If not, then run the Dism /Online /Cleanup-Image /RestoreHealthcommand to repair any component store corruption, restart the PC afterwards, and try the sfc /scannowcommand again.

If still not, then do a system restoreusing a restore point dated before the bad system file occurred to fix it. You may need to repeat doing a system restore until you find a older restore point that may work.

If still not, then you could do a repair install without losing anything.

If still not, then you could refreshWindows 10.

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