Hi,
just to say I had the exact same problem - Virus B would keep 'cycling' during the boot, constantly resetting until eventually after about 20 minutes or so it would work fine.
I replaced the electrolytics and 2 of the voltage regulator (found and replaced the dodgy capacitor before I got to the 3rd voltage regulator) and it now works perfectly.
This thread is the only useful information about the problem I've found on the net - and it does fix it.
Just note that the capacitors marked 47uf-25v on the circuit diagram are 470uf-25v on the board - not really an issue as you spot it quick enough.
Huge thanks to audioman for posting up the fix and diagram
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