It's triggered when using Chrome and visiting this page http://www.gmb.org.uk/pdf/SX%20Gullible%20and%20Guilty%20v7b.pdf
Chrome says 'waiting for cache' and Intercheck goes into overdrive. Force Quit of Chrome. Intercheck still maxed out. Force quite of Intercheck and up it pops again like a bad penny. Try to retstart the iMac and you can't...spinning wheel. Only way is to pull out the mains plug.
Safari accesses the website OK.
This thread was automatically locked due to age.
