text: how do i fix this computer problem? every time i try to uninstall yahoo messenger it comes on stating: could not open install.log file. how do i fix this & uninstall yahoo messenger. install.log is the file where the info for what changes where made during the install is kept, if it is damaged, moved, etc then the uninstaller won't work. the usual fix is to reinstall the program over top of the existing install and then run the uninstaller immediately afterwards