One believing smeared this bucket on the processor covers: i7-3770 - 2 years everything seemed to be ok, sold i5-8400 - 4 months dead, began to pour blue screens R5-2400G - 8 months dead, blue screens, goo has eaten into the crystal and coke on the lid i5-4210U - 6 months the temperature gradually increased, traces on the crystal and coke on the heat-removable plate, replaced with thermal paste i7-8700 - 12 months temperatures turned out to the level of thermal paste, traces on the crystal were removed by polishing with GOI, replaced with thermal paste I stopped further experiments, it’s better to let there be thermal paste!