can't install signatures - strange error

Hi, i’m using comodo for long time, and all was good, for the last few days (like 4 days ago) i can’t install the updates, it is downloading ok but can’t install them, it says :

the requested operation cannot be performed on a file with a user-mapped

attaching an image for your consideration

please advise

What’s the version of product you have?

Hi Itsme3,

Can you please delete the files which names starts b00*****.cav from C:\Program Files\COMODO\COMODO Internet Security\scanners which cause the issue while updating. After delete, please run the update again.

Thanks in advance.

Kind Regards,
PremJK