When I double click on an Excel 2003 file (xls), it opens up excel but
it does not load the worksheet I double clicked on, nor does it load
any worksheet.
All I get left with is the toolbars and a grey screen.

I get the same screen when I open up a new excel sheet/ workbook.

The only way I can open up a file is to load the grey screen then I
have to use the file -- open function and then navigate to the file
that I already double clicked on.

I have looked in the settings to try and find something to
change/adjust but there isn't anything to solve the problem.

I'm using a PC not a Mac!

Has anyone got any idea's on this.