i was trying to upgrade my backtrack5 (Ubuntu) to backtrack5 r2 and twice i got stuck at this point below for many hours.

i'm using VMWare 7 its stuck at below point in suspend mode.

A w3af/plugins/discovery/ghdb
A w3af/plugins/discovery/ghdb/GHDB.xml
A w3af/plugins/discovery/spiderMan.py
A w3af/plugins/discovery/content_negotiation
A w3af/plugins/discovery/content_negotiation/common_filenames.db
A w3af/plugins/discovery/findGit.py
A w3af/plugins/discovery/wordpress_fullpathdisclosure.p...
A w3af/plugins/discovery/sitemapReader.py
A w3af/plugins/discovery/bing_spider.py
A w3af/plugins/discovery/findCaptchas.py
A w3af/plugins/discovery/fingerPKS.py
A w3af/plugins/discovery/phishtank.py
A w3af/plugins/discovery/frontpage_version.py
A w3af/plugins/discovery/robotsReader.py
A w3af/plugins/discovery/wordnet

then i opened another terminal and tried to start all over again but it says

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?