I did not uninstall. I upgraded over the previous version. Immediately afterwards, I used a program (SyncBackSE) already configured to make a backup of some folders of SmarterMail (Assets, IIS Tool, MRS, Resources, Service, Web Server) in another location. I have been following the same procedure for years with the same program and the same copy configuration. Only after making the backup copy I realized that the webmail failed and that the ‘global.asax’ file was missing. I cannot be sure, that the Smartermail upgrade program was responsible for the disappearance of the file. It could have been the backup program although it is a program that I use a lot and I have never failed before.