Installing SQL Server 2012 on a Windows 8 OS

Trying to install SQL Server 2012 on a Windows 8 OS.
Hardware:  Intel i7 processor, 8 GB RAM, plenty of Hard Disk space.

Here is the error I get:

TITLE: SQL Server Setup failure.
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,
SQL Server Setup has encountered the following error:

'.', hexadecimal value 0x00, is an invalid character. Line 1, position 196610.

Error code 0x84B10001.

For help, click: http://go.microsoft.com/fwlink?LinkID=20476&ProdName=Microsoft%20SQL%20Server&EvtSrc=setup.rll&EvtID=50000&EvtType=0x77A18E2F%25400x972328DC

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BUTTONS:

OK
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Any ideas what's missing?

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RICHARDG