Failed to check for installed or available applications
When i open the Add/Remove a window appears and following error is displayed.
This is a major failure of your software management system. Please check for broken packages with synaptic, check the file permissions and correctness of the file '/etc/apt/
I tried to correct it but the following errors are displayed in terminal.Plz help me!!
ramesh@Ramesh:~$ sudo dpkg-reconfigure -a
dpkg-query: syntax error in triggers Deferred file `/var/lib/
/usr/sbin/
ramesh@Ramesh:~$ sudo apt-get install-f
E: Invalid operation install-f
ramesh@Ramesh:~$ sudo apt-get install -f
Reading package lists... Error!
E: Could not open file /var/lib/
E: The package lists or status file could not be parsed or opened.
ramesh@Ramesh:~$ sudo apt-get update
Get:1 http://
Get:2 http://
Get:3 http://
Ign http://
Get:4 http://
Hit http://
Ign http://
Ign http://
Ign http://
Ign http://
Hit http://
Ign http://
Hit http://
Get:5 http://
Ign http://
Hit http://
Ign http://
Hit http://
Ign http://
Ign http://
Hit http://
Ign http://
Hit http://
Ign http://
Get:6 http://
Get:7 http://
Ign http://
Ign http://
Ign http://
Ign http://
Hit http://
Get:8 http://
Get:9 http://
Get:10 http://
Hit http://
Hit http://
Get:11 http://
Get:12 http://
Hit http://
Get:13 http://
Get:14 http://
Get:15 http://
Hit http://
Hit http://
Hit http://
Hit http://
Get:16 http://
Hit http://
Get:17 http://
Get:18 http://
Get:19 http://
Get:20 http://
Get:21 http://
Get:22 http://
Get:23 http://
Get:24 http://
Fetched 938kB in 27s (33.6kB/s)
Reading package lists... Error!
E: Could not open file /var/lib/
E: The package lists or status file could not be parsed or opened.
ramesh@Ramesh:~$
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