I did an update of Solidworks 2007 from sp2.2 to 4.0.Afterinstallation every time I launched Solidworks the Windowsinstallerwould pop up a number of times until the applicationloaded. OnceSolidworks was running the eDrawings application wouldnot work.Ithen uninstalled and did a clean install of 2007 sp 0.0and updatedto 4.0. I had the same issues. I then uninstalled againand removedall keys associated to Solidworks from the registry. Didanotherinstall and have the same issues. My local Var has nosolution atthis time. My IT person did all Windows updates possibleandcleaned the registry again and still have the sameissue.Doesanyone have a solution other than reformat my hard driveand startover?SolidworksAdministration