Chosen Solution
iMac “Core 2 Duo” 2.66 24-Inch (Early 2009) 4 GB RAM 10.6.6 I’m having problems almost every time I attempt a Software update or other software download and update. I’ve replaced the hard drive, zeroed the drive, reformatted, installed Stuffit 14. TechTool Pro runs clear, 50 pass RAM check, Disk Utility runs clear, Norton Anti-Virus is clear. Yet almost every time I try to download a update I get a decompression error. If I download just one update at a time I can eventually get it to install.
I can’t think of anything… If its not the HDD, then it must be the logic board? Or a component on it, such as RAM, CPU or less likely, the GPU? Try replacing all the ram with just one good ram stick for starters.. I’m just spitballing some ideas here. A way to circumvent the problem would be to download the updates directly from their site instead of using software update.
Sounds to me like check sum errors, would indicate network problems, that may have nothing to do with your end. N.
zapping PRAM did not work, replacing RAM did not work, re-installing OS did not work… For the time being, my work-around is to create another admin level account. Within that account, it seems to do fine….
