Error dialog with no text?

After dealing with an issue around Windows Update and a .Net patch from September 2011, I finally solved my perpetual Windows Update download and fail problem by going with .Net Framework 4.5 beta.

Awesome, but in the process I must have deleted a file and now I am getting dialog boxes with no error message. The dialog title has the name of the .exe and a '-', but no other text. The body of the dialog has a yellow triangle and with exclamation point and no other text.

Three samples are as follows:

img836.imageshack.us/img836/1570/system2h.jpg

img710.imageshack.us/img710/6259/systembl.jpg


Any ideas on where to start now?

Much thanks in advance guys,
Dave
 
What version of Windows are you talking about? You know there are several versions out there :)
 
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