https://www.infopathdev.com:443/forums/41.aspxIf you're not sure where to ask your question, ask it here. If necessary, our moderators will make sure it gets classified in the correct board.enCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/50624.aspxFri, 15 Jan 2010 01:15:13 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:50624KarenSL0https://www.infopathdev.com:443/forums/thread/50624.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=41&PostID=50624<p>I have a form with several sections to be signed.&nbsp; The form is in a SharePoint 2007 library, web enabled, and I cannot open it in SP, but I can if I open it in the client.&nbsp; On one of the sections, it was apparently digitally signed just an hour or so ago, but it has the message &quot;There is a problem with this signature&quot; and when I look at the details I get &quot;Invalid signature - This signed content or this signature have been modified&quot; with a box with an X and area for purpose for signing this document which cannot be modified.&nbsp; I need this signature to go away so the form can move on (it&#39;s a routing form, and there&#39;s 3 other department to get it after this one).&nbsp; How can I fix this form to make it open again in SP?</p> <p>&nbsp;Updated: I found where I can delete the digital signatures in error so that much is dealt with, so now my question is how do I find the root cause of the invalid signature?</p>