IE wants to block active X from being installed for adobe flash player is it ok to let install.?

Of course YES, you can install Adobe Flash to view animated contents and flash forms.

IE wants to block active X from being installed for adobe flash player is it ok to let install.?windows mobile 6

Most of the time...yes. A lot of websites use Flash and need the plugin to run.

IE wants to block active X from being installed for adobe flash player is it ok to let install.?microsoft office 2003 internet explorer

Generally it's OK. But problems may arise regarding browser vulnerability to spam, popups or worm intrusion. So, I suggest it's better not to install.