jammad, When you re-installed, did your saves come through automatically, or did you have to back them up? This (the Corps formation thing) has happened to me a bit lately, but I didn't want to go through the effort of backing up my saves so haven't re-installed.... The saved games were still there.

Reinstalling v1.06 fixed the issue. Thanks for the suggestions.

Will do. Thanks.

Yes, as an example: Franklin has reached two-star rank, is active, and is in command of stack in Baltimore in July 1862; McDowell's Army of the Potomac is in DC. But the Create Corps option for Franklin isn't available.

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Yes; an active two-star, for example, will show the Enable Division Command option when in command of a stack, even if it includes other divisions, but never the Create Corps option.

For some reason I can never create an army corps in the two 1861-start scenarios, no matter how long they run; the creation option is never activated, even when two- and three-star generals are in the same region as an army commander. Corps creation works fine in the tutorials and the Shiloh scenari...