We are now running on version 4.2

Let me know if any of the reported issues are persisting.
Here is what has changed since 4.1 -
 

What's new in 4.2?

Version 4.2 fixes several bugs and introduces the following new features:

1. Better attachment embedding support - real photo embedding instead of placeholder
2. Better Menu and Popup styling
3. User Control declaration improvements - make overriding easier
4. Drag n Drop ordering for smilies, PGDCodes and Custom Reg Fields in the AdminCP

See the full release details below:

Fixes , Improvements & Additions

1. Allow connecting existing forum accounts with Facebook & Google (OpenID)
2. A separate regular expression validator pattern for Screenname (separate from Login)
3. Hot (active) threads threshold taking into account an additional date range filter
4. When embedding image attachments in editor, show real image instead of placeholder
   1. "break out" removed from attachment placeholder
5. Drag n Drop ordering support in AdminCP for
   1. PGDCodes
   2. Custom Reg Fields
   3. Smiley faces
6. Public Member List ordering according to Last Activity (Last Login)
7. Better Top Nav, drop down menu and popup styles (standing out more from background)
8. Allow members of the System Admins user group to access Custom Stats
9. Includes Facebook & Twitter on "more social login options" page
10. Approving thread refreshes page automatically
11. Auto focus cursor on textbox on page load for popup windows on the Login page & the registration form
12. Reorganize some User Controls to make overriding easier
    1. Home page slider control incorporation change
13. Featured Article subject length restriction on editor
14. For posts already in the recycle bin, show "permanent delete" option in the quick management menu.
15. Added ability to detect login / connection string error in the software
16. Added ASP.NET 4.5 version check in Server Checker page in the AdminCP
17. Added Forum Filter page "hidden" CSS classes
18. Incorrect flagging posts for approval after edit due to "attachment change"
    1. Correct the timing for triggering "post awaiting approval" email notification after changing attachments
19. Does not flag posts for approval after editing when needed
20. Singular / Plural noun correction for several interface language strings
21. "Thread Moved" notification popup doesn't auto close
22. Online User List on home page display issue (only single line)
23. Signature not formatted correctly in WYSIWYG & forum post page
24. AdminCP Profile Photo preference not saved
25. Better OpenID login error handling when the provider doesn't return email address
26. Search box in top nav menu still shows even when its disabled for Guests
27. Guest blog comment or quick reply ReCaptcha javascript error
28. Search page coming from "Top Nav View More" does not show phrase and time filter
29. Lavalamp top nav effect doesn't hide on large monitors (27"+)
30. Unable to edit "Link" in forum management interface
31. Track read table cleaning up incorrectly removes forum & board tracking
32. Mark Thread Unread Conflict with Mark Forum Read: conflict happens when you mark the forum read at a time that is later than the "last update" for the thread. In this case, threads marked unread still show up as read.
33. IE 10 posting issue when attachments are embeded into WYSIWYG before text content is added
34. Attachment embedding issue for files that contains ' in its name
35. Forum or Link Delete error
36. Template error when handling a Nullable property in messagelist/itemtemplate.ascx.vb