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View Full Version : Error: The installer could not validate the contents of the "Basesystem" when trying to install Mac Leopard OS


laurentio
1st May 2009, 07:21 PM
Error:
The installer could not validate the contents of the "Base system" when trying to install Mac Leopard OS.

Solution:
I have come across this problem several times and in 99% of the cases it was a bad memory stick. Change your memory stick or memories (if more than one) and try installing again.

The rest of 1% was caused by an incompatible CPU. Please upgrade your processor from sse2 to sse3 if Leopard is the OS you're seeking to install.