A new iFix is available for ICM 188.8.131.52. Check it out and see if any of your issues are resolved.
This Interim Fix is available on the IBM Fix Central website.
To locate this fix on Fix Central, select "Enterprise Content Management" as your Product Group, "Case Manager" as your Select from Enterprise Content
Management choice, "184.108.40.206" as the Installed Version and select your desired Platform.
You can also choose to view fixes for all versions and all platforms of your product. Select the Continue button and search for this fix by using the Individual fix ID or by choosing Browse for fixes as option. A fix ID is the package name that is used to identify a fix. When trying to download the desired fix you will be prompted for your IBM ID and password.