HI, i have a problem with my old pc i rebuilt , originaly it had a celeron , changed it for a pentium d 925,and changed the cpu cooler for a more effective one , but a problem emerged, first i noticed the pc case gave me shocks , then i checked everything for any loose wires or connections but everything is safely connected , then checked for any contacts between motherboard and case , none existed.In desperation i took all of the components out of the case and put them on carbord , the electricity was still present on every component.I bought a new psu and still the same problem persists to be. I know i have no ground in my wiring (old building) and rewiring unfortanetly is not possible at the moment.Now i wonder if i buy a UPS with AVR technology , would that be of any help, maybe regulating the voltage so that it doesnt flow but instead that the pc gets just enough so it doesnt flow over all of the components. Any other suggestion ? ...any kind of help is welcome , thank you in advance !!