A Big Error!E: Sub-process /usr/bin/dpkg returned an error code (1)

[ubuntubox]

Hello ,I have just upgraded my ubuntu to 11.04 .After it is done ,I could install any software ,the error is as follows:



E: Sub-process /usr/bin/dpkg returned an error code (1)


I wonder what is the meaning of the error,and how to solve it ..

could anyone help me ?

[Lakshmipathi]

I don't know whether this works for you , give a try -

sudo apt-get update

and then try to install packages.

[ubuntubox]

I don't know whether this works for you , give a try -
and then try to install packages.

thank you for your help ,I trid it but no use.
I get the same error

E: Sub-process /usr/bin/dpkg returned an error code (1)

Then I used this command line

sudo rm -rf /usr/bin/dpkg/info/*

I want to delete the error display ...and to my surprise ,that worked .there is no error display when I install software by apt-get install ..
but I want to know how is this error occur ? Could anyone tell me ?

[ubuntubox]

I don't know whether this works for you , give a try -
and then try to install packages.

thank you for your help ,I trid it but no use.
I get the same error

E: Sub-process /usr/bin/dpkg returned an error code (1)

Then I used this command line

sudo rm -rf /usr/bin/dpkg/info/*

I want to delete the error display ...and to my surprise ,that worked .there is no error display when I install software by apt-get install ..
but I want to know how is this error occur ? Could anyone tell me ?