Mac Pro 1,1 running OS 10.6.8, I am having finder freezes that forces me to force quit using the power button. I do not have the disks that shipped with this computer which would have included Apple Hardware Test. I have downloaded what is said to be the AHT for this computer but I can't get it to run from a disk that I burned.
Download the AHT for your computer model and use the contents to restore the /System/Library/CoreServices/.diagnostics folder, then reboot while holding D to start the diagnostic tools.
There's no need to burn something to disc.