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Since I tried using my laptop on Saturday, my Kaspersky installation ( is failing to start the file anti-virus and proactive defense protection.

I installed some drivers and CANking from KVaser on Friday, but I can't see how this would break Kaspersky. Any ideas what could be causing this?

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up vote 1 down vote accepted

You could always rollback your last update and see if that helps... After that manually initiate the update process.

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The second part of this solved the issue, so I'm giving you the answer. The actual cause was that the update had been stalled (see my answer…) – Jeff Yates Jun 29 '10 at 3:26

It would appear that Kaspersky may have been caught in the middle of an update that is yet to complete. I can't verify this until Friday - I'll update this answer once I know more.

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