http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/tags/Service+Pack/default.aspxTags: Service PackenCommunityServer 2007.1 (Build: 20917.1142)http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2011/07/07/sharepoint-2010-sp1-install-error-an-unhandled-exception-system-security-cryptography-cryptographicexception-occurred-in-owstimer-exe-3004.aspxThu, 07 Jul 2011 17:36:10 GMTceb7fe2a-c56b-4d85-99e6-8dd548580538:4842CoreyRoth5http://www.dotnetmafia.com/blogs/dotnettipoftheday/rsscomments.aspx?PostID=4842http://www.dotnetmafia.com/blogs/dotnettipoftheday/archive/2011/07/07/sharepoint-2010-sp1-install-error-an-unhandled-exception-system-security-cryptography-cryptographicexception-occurred-in-owstimer-exe-3004.aspx#comments<p>When you are installing SharePoint 2010 Service Pack 1 (SP1), you might encounter the following error multiple times during the installation.</p> <p><em>An unhandled exception (‘System.Security.Cryptography.CryptographicException’) occurred in OWSTIMER.EXE [3004].</em></p> <p><a href="http://www.dotnetmafia.com/blogs/dotnettipoftheday/SP1OWSTimerError_44F74D2B.png"><img style="background-image:none;border-bottom:0px;border-left:0px;padding-left:0px;padding-right:0px;display:inline;border-top:0px;border-right:0px;padding-top:0px;" title="SP1OWSTimerError" border="0" alt="SP1OWSTimerError" src="http://www.dotnetmafia.com/blogs/dotnettipoftheday/SP1OWSTimerError_thumb_0B743D34.png" width="339" height="367" /></a></p> <p>This has been known to occur just because you have Visual Studio 2010 installed.&#160; You’ve probably seen it in the past with day-to-day operation of your SharePoint environment.&#160; I encountered this issue before and it has never seemed to prove to be an issue.&#160; Just click the <em>No </em>button and let the installer finish.&#160; You have nothing to worry about (yet) and your upgrade should proceed just fine.&#160; It will likely pop up multiple times throughout the installation process.</p><img src="http://www.dotnetmafia.com/aggbug.aspx?PostID=4842" width="1" height="1">SharePointErrorSharePoint 2010Service Pack