Hi I just did a fresh install of FC2 after having used FC1 for a number of months. After the install I went to do a yum update having and receive the errors below (completely unhelpful error messages). I have set my http_proxy exactly as it has always been set. Any help would be welcome. Jonathan. Unable to find pid Gathering header information file(s) from server(s) Server: Fedora Core 2 - i386 - Base Traceback (most recent call last): File "/usr/bin/yum", line 30, in ? yummain.main(sys.argv[1:]) File "/usr/share/yum/yummain.py", line 233, in main clientStuff.get_package_info_from_servers(serverlist, HeaderInfo) File "/usr/share/yum/clientStuff.py", line 846, in get_package_info_from_servers progress_obj=None) File "/usr/share/yum/clientStuff.py", line 1327, in grab bandwidth, conf.retries, retrycodes, checkfunc) File "/usr/share/yum/urlgrabber.py", line 237, in retrygrab progress_obj, throttle, bandwidth) File "/usr/share/yum/urlgrabber.py", line 314, in urlgrab fo = urllib2.urlopen(url) File "/usr/lib/python2.3/urllib2.py", line 129, in urlopen return _opener.open(url, data) File "/usr/lib/python2.3/urllib2.py", line 326, in open '_open', req) File "/usr/lib/python2.3/urllib2.py", line 306, in _call_chain result = func(*args) File "/usr/lib/python2.3/urllib2.py", line 491, in <lambda> lambda r, proxy=url, type=type, meth=self.proxy_open: \ File "/usr/lib/python2.3/urllib2.py", line 498, in proxy_open if '@' in host: TypeError: iterable argument required