When I try to install new features in Eclipse (using ADT as the base package) I get
‘Installing Software’ has encountered a problem.
An error occurred while col
I found similar information and how to go about fixing it on "Android - An Open Handset Alliance Project" here is the link http://code.google.com/p/android/issues/detail?id=38267 I hope this helps you.
Another thing you can try is export your work space and re-install your eclipse. Sometimes the compatibility issue may cause this. I know this may require some work because then you have to add all of your plugins back but this might be the last option you may want to consider if you can't find a workaround or fix.