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I'm using Outlook for Office 2010, and I have Adobe Reader X and eCopy PDF Pro Office installed. Windows 7 is the operating system. For some reason, most PDF attachments are working fine, but a couple of others are not. Any ideas on what might be happening here?

A little more information on this:

1) When I try double-clicking the PDF attachment, I get this pop-up: "Cannot create file." Right-click the folder you want to create the file in, and then click Properties on the shortcut menu to check your permissions for that folder."

2) When I right-click and "Save As" to save it to a directory, I get this pop-up: "Cannot save the attachment. Cannot create file. Right-click the folder... [same as above]".

3) This problem only started to happen a couple of weeks ago. I was able to download these files without a problem before then. I don't believe there are any new add-ins installed.

Thank you.