IMPORTANT: Don’t upgrade to Flash 10 anytime soon
Friday, October 31st, 2008Adobe has released a new version of Flash, version 10 (beta). Apparently it breaks the flash uploader in WordPress, so don’t upgrade if possible right now until this gets sorted out. If you have already done it and are now having troubles uploading files, try to downgrade.
Want some gory details? Read this: http://wordpress.org/support/topic/177127
If you’ve already done it, it looks like the best option may be to downgrade to Flash 9 (unless you are able to just bypass the flash uploader by using the “browser uploader” instead:
http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_14266&sliceId=1