Errors "removing panel from sidebar" and "adding panel action to panels submenu"

We just upgraded 50 PC’s from Lotus Notes version 8.5 to 8.5.1A lot of users complain that sometimes when they freshly start Lotus Notes they receive 2 errors, “removing panel from sidebar” and “adding panel action to panels submenu”. If we click on ‘details’ it just says “error”.

I can’t find anything via google to solve this and this problem is not reproducible. Could someone point me in the right direction?

We :

  • use Windows XP on the clients

  • use Lotus Domino 8.5.1 on the server

  • use Lotus Notes 8.5.1 on the clients

  • use the 8.5 mail template

  • use policies (maybe here’s the problem?)

  • do not use widget’s and have them turned off by default via policies.

Subject: Solution available?

Hi,is there any solution available for this problem? We got the same problem after upgrading to version 8.5.2 on our Windows 7 machines.

Please let me know.