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If the HP, Dell etc refused to provide the patch because your 'outside of warranty' you could return it under the sale of goods act to the place you originally purchased it as not fit for purpose, for up to 6 years in the EU i believe. I am sure if enough PCs got returned this way the PC sellers would put pressure on the manufactures to resolve the issue or they will stop selling their gear with Intel inside in favour of AMD or Arm systems.