If you're not already, use -show_err to display error messages. Right-click RTW desktop shortcut, click Properties, select Shorcut tab, and simply add -show_err to the end (leave a space between what exists and -show_err).

A kick to menu (KTM) usually occurs after an error was discovered in one of the text files in the campaign folder. -show_err usually lets you know where the problem is, but not always (especially if there is more than one error present).

If you're relocating settlements, you need to make sure of the following:

* Copy and paste the desired settlement under the faction that you wish to occupy it
* Delete the original settlement's faction reference (otherwise you have the same settlement referenced by more than one faction)
* Relocate family members / generals on the campaign map using the X and Y coordinates
* Relocate agents in a similar way to family members
* Use relevant general names - ones that have not already been taken by another character. Use Ctrl+F to search for other names in descr_strat, and data\text\names to view the list of exisiting character names
* Possibly edit the settlement's faction creator to reflect the new faction owners (although you might get away with this if both factions are of the same culture)
* Assign / create an army to garrison the new settlement, change the X and Y coordinates as appropriate
* Ensure that the settlement's level is relevant to the core_building type

There are probably a few more issues that may be present, can't think of them at the moment