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Keyboard not working

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Hello. I just installed Kaspersky internet security and right away my Lenovo yoga 7i keyboard stopped working. Tried several methods before finding the registry method. 

Problem is, I follow all the steps, I delete the "klkbdflt" entry from the registry leaving only "kbdclass". I hit ok. Then when I close the registry, it comes back as it was: both entries appear in the UpperFilters. 

What do I do now? 

Please help, I need this machine for work. 

When I change it:


When I open it again:


Edited by RymMokhtari
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This problem is strange.

KIS represents a legacy product from Kaspersky, try installing the product equivalent to your license, in this case, Kaspersky Standard.

Kaspersky Standard → Download link

Download it and connect it to your My Kaspersky account.

Check if the problem is resolved by installing the latest product and, if possible, provide feedback 👍

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