About a month ago, Excel has had trouble opening native files. I could double click an XLSX file and Excel would start only to tell me the file I was trying to open (and just used to launch Excel with) didn’t exists.The following (in a cmd window) seems to have fixed it:
EDIT: June 2012 – this problem has returned. I found an old Knowledge Base article (http://support.microsoft.com/kb/207574) that pointed me in the right direction. I have Office 2007 so the registry path was different but setting the
to the path of my Excel installation (“”C:Program FilesMicrosoft OfficeOffice12Excel.exe” /e”) did the trick.