Hi guys,

Thank you Liviu, you were right I found out the MiKTeX that was installed had been corrupted. After reinstalling MiKTeX LyX works very well.

Thank you for all the support.
Sivakumar



On 7/18/2011 1:34 PM, Liviu Andronic wrote:
On Mon, Jul 18, 2011 at 3:20 AM, Sivakumar<[email protected]>  wrote:
When I load letter.lyx There was a pop up with the following message:

Lyx: Document class not available
The selected document class letter requires external files that are not
available. The document class can still be used, but the document cannot be
compiled until the following prerequisites are installed: letter.cls

Do you have MiKTeX installed (or any other LaTeX distribution)? Have
you tried performing Tools>  Reconfigure in LyX?
Liviu


Later when I try view(pdflatex)

File name error message pop up.


How do I install letter.cls?

Thank you very much for you help.
Sivakumar






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