I can't open healthcheck application on my n900.It stucks when loading cpu section then it go back to desktop..I try running the apps through python /opt/healthcheck/healthcheck.py then it shows me this error :

dpkg-query: parse error, in file ' /var/lib/dpkg/available' near line 24173 package 'webauth' :
EOF during value of field 'Installed-Size' (missing final newline)

i try apt-get remove healthcheck then it shows this error..same goes to apt-get install healthcheck :

dpkg-query: parse error, in file ' /var/lib/dpkg/available' near line 24173 package 'webauth' :
EOF during value of field 'Installed-Size' (missing final newline)
E: Sub-process /usr/bin/dpkg returned an error code (2)

can someone help me to solve this problem?your help would be much appreciated..thanks a lot.