Wild guesses: Registry cleaner?, Options being set to not automatically
demand load extensions?
wrote in message
news:6323351@discussion.autodesk.com...
I have a problem where if you select an ACA command such as walls,
stairs,etc the commands don't work.
For example if I select the wall command
ACA calls the command but goes straight back to the command prompt. This has
happened me a number of times on different machines. My only way to fix it
has been to re-install. Then it works fine for a while then the problem
re-appears.
Any ideas