Here's the abridged log. I get this error after starting the run process:
Cannot open file (D:\Hosting\2590654\html\wp/wpau-backup/index.html). Please create a empty D:\Hosting\2590654\html\wp/wpau-backup/index.html file manuallyCannot open file (D:\Hosting\2590654\html\wp/wpau-backup/index.php). Please create a empty D:\Hosting\2590654\html\wp/wpau-backup/index.html file manuallyWe could not complete the upgrade please try again later, click here to check the logs.
And the Log:
Task Name: files
Task Description: Backs up all the current files from the wordpress installation
Task Status: Failed
Task Start Date: 2009-08-10 11:52:37
Task End Date: 2009-08-10 11:52:37
Task Log:
Creating files backup archive at wpau-files-bak-BmDtgfye.zip
Archiving the main folder located at D:\Hosting\2590654\html\wp
Adding File D:\Hosting\2590654\html\wp/index.php to D:\Hosting\2590654\html\wp/index.php
Adding File D:\Hosting\2590654\html\wp/license.txt to D:\Hosting\2590654\html\wp/license.txt
Adding File D:\Hosting\2590654\html\wp/readme.html to D:\Hosting\2590654\html\wp/readme.html
(brownnet:A whole bunch more of these adding file lines)
Could not archive the files PCLZIP_ERR_READ_OPEN_FAIL (-2) : Unable to open archive 'D:\Hosting\2590654\html\wp//wpau-backup/wpau-files-bak-BmDtgfye.zip' in wb mode
not a support question