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Hi thanks for all the advice, I vacuumed all the dust and nasties from fan blades and PC tower is now 100% better and faster,so it must have been overheating,thanks baldric, but still getting error messages when I GOOGLE any thing eg small blue window, with this tab has been recovered IE will have to close down in it,report this to microsoft or debug,then PC sort of freezes up and I have to abort enquiry,all is OK if I use favorites like now though.
Also been reading about PUP in malwarebytes how do you delete them if I find on my new free download. Thanks Tez