Can't open Can't delete

Name:    Mike Gordon
Email:   mikeatmgendodotcodotnz
Product: Thunderbird
Summary: Can't open Can't delete

Comments: 
HELP
I cannot open thunderbird after latest update. It has an error message 
thunderbird.exe is not a Win 32 command. I also cannot delet it to 
reload it I need some help Please

Browser Details: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)