I'm getting a similar problem after installing WLW on my new system today.
It is unable to download any editing theme from Wordpress successfully (that I've tried). I have gone through multiple attempts, all of which fail.
The older build of WLW (14.0.8064.206) is able to successfully update the editing theme.
THe log file is providing the following errors:
WindowsLiveWriter,1.5444,None,00024,22-Oct-2009 17:00:25.234,"Error occurred reading custom button description: Error attempting to download bitmap from url http://myblog.com/blog/wp-includes/images/wlw/wp-comments.png: Parameter is not valid.",""
WindowsLiveWriter,1.5444,None,00025,22-Oct-2009 17:00:25.284,"Unexpected error downloading image from images/wlw/wp-icon.png: System.Exception: Error attempting to download bitmap from url http://myblog.com/blog/wp-includes/images/wlw/wp-icon.png: Parameter is not valid. ---> System.ArgumentException: Parameter is not valid.
at System.Drawing.Bitmap..ctor(String filename)
at WindowsLive.Writer.CoreServices.ImageHelper.DownloadBitmap(String bitmapUrl, WinInetCredentialsContext credentialsContext)
--- End of inner exception stack trace ---
at WindowsLive.Writer.CoreServices.ImageHelper.DownloadBitmap(String bitmapUrl, WinInetCredentialsContext credentialsContext)
at WindowsLive.Writer.BlogClient.Detection.WriterEditingManifest.DownloadImage(String imageUrl, String basePath)
at WindowsLive.Writer.BlogClient.Detection.WriterEditingManifest.GetImageBytes(String elementName, IDictionary options, String basePath, Size requiredSize)",""
WindowsLiveWriter,1.5444,None,00026,22-Oct-2009 17:00:25.354,"Unexpected error downloading image from images/wlw/wp-watermark.png: System.Exception: Error attempting to download bitmap from url http://
myblog.com/blog/wp-includes/images/wlw/wp-watermark.png: Parameter is not valid. ---> System.ArgumentException: Parameter is not valid.
at System.Drawing.Bitmap..ctor(String filename)
at WindowsLive.Writer.CoreServices.ImageHelper.DownloadBitmap(String bitmapUrl, WinInetCredentialsContext credentialsContext)
--- End of inner exception stack trace ---
at WindowsLive.Writer.CoreServices.ImageHelper.DownloadBitmap(String bitmapUrl, WinInetCredentialsContext credentialsContext)
at WindowsLive.Writer.BlogClient.Detection.WriterEditingManifest.DownloadImage(String imageUrl, String basePath)
at WindowsLive.Writer.BlogClient.Detection.WriterEditingManifest.GetImageBytes(String elementName, IDictionary options, String basePath, Size requiredSize)",""
Reed Copsey, Jr. -
http://reedcopsey.com