This problem is happening with Microsoft Word and other application associations as well so I don't think it's a MS Office problem but rather a general system problem. If I double-clik a DOC file WORD opens up but I get an error window saying the file or one of it's components is missing. The path is shown along with the file name and the file clearly exists. The associated application will start though and then I can use File - Open to go open the file. Any help appreciated. Thanks.