Hi Susan, welcome and thank you for your question. My name is ***** ***** I am glad to assist you today.
I am very sorry about your issues. Is this problem happening to ALL of your PDF files that you attempt to sign? Or only to a specific PDF file?
Also, are you using Windows Vista, 7, 8 or 10? Or a Mac?Please let me know by replying to me here so that I can help you further.