[MiKTeX] ConTeXt after April 22 update

[instanton<sof...@12...>]

Dear miktex-users,  
 
After updating on April 22, ConTeXt in MiKTeX 2.7 stops working. Running the command 

texexec --pdf file.tex  

on command line (on WinXP) makes no effect. I've tried to build the format files for cont-en and run 

cont-en file.tex

and this works. Why has texexec.exe stopped functioning?
  
  
instanton，sof...@12... 
2008-04-22