Microsoft security essentials client error opening after updates

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Hi,

This error occurs when I want to start Microsoft Security Client and I post this error on Microsoft forum and no answer from 3 weeks. Can any of you experts help me please to fix this ? What caused this error ?

Thank you !

Microsoft Security Client

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

Error code: 0x80073b01

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Answered By points N/A #178146

Microsoft security essentials client error opening after updates

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Hello,

Such error is very terrifying as well harmful for your PC too. In order to fix this issue, follow the following techniques.

1. Uninstall Microsoft Security Essentials.

2. Download the latest Microsoft Security Essentials.

3. Install it.

Now, try to run it. Don’t forget to uninstall the older one first before installing the latest one.

Also, take the ownership of the folder of “Windows Defender” in “C:Program Files”. Install this little ownership-taking tool and be the owner of the folder.

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