Delete the Dreamweaver Cache file from the users configuration folder:
doc...ion_issues.php
Also in the configuration folder, go to Shared/webassist/preferances
you can manually disable memento by editing the Memento.xml file using a text editor like TextEdit.
change:
<wa_preference id="Memento_0" title="Show on Dreamweaver Startup" type="List" value="Never,When a new message is available,When any messages are available">When any messages are available</wa_preference>
to:
<wa_preference id="Memento_0" title="Show on Dreamweaver Startup" type="List" value="Never,When a new message is available,When any messages are available">Never</wa_preference>
and you can manually disable the rss feeds by editing the RSSFeeds.xml in a text editor. Change:
<wa_preference id="RSS_0" title="Disable all RSS Feeds" type="Check">0</wa_preference>
<wa_preference id="RSS_1" title="Check for Updates" type="List" value="When Dreamweaver Opens,Daily,Weekly,Monthly,When Memento Opens">When Dreamweaver Opens</wa_preference>
<wa_preference id="RSS_0" title="Disable all RSS Feeds" type="Check">1</wa_preference>
<wa_preference id="RSS_1" title="Check for Updates" type="List" value="When Dreamweaver Opens,Daily,Weekly,Monthly,When Memento Opens">When Memento Opens</wa_preference>