This video goes through the steps of uploading diagnostic information for VMware Fusion (or users on a Mac system) to the VMware FTP site. The information you upload is used to assist in troubleshooting issues you’ve encountered while using a VMware product.
For more information refer to the full Knowledgebase article: Uploading diagnostic information to VMware (1008525).
Note: Uploading diagnostic information is the same as uploading log files