Have an eye to the numbering system: under 8.0.1497 the verison 9.0.1500 is available – but after you install it, you have 8.0.2006 installed (program desing is still as 8.0) – and update is not over; again program update available: version 0.0.0 …

I did not yet do second updating, but have another problem: looking at the time of the last update attempt for virus engine, it was on 01.01.1970 at 00:00:00 – and when trying to update the engine manually, nothing happens – the progression bar still remains at zero …