[SOLVED] Cannot use the update manager (dpkg interrupted, can't even run in terminal)

[winxpwasgreat]

Trying to run the updates autoticked on my update manager I get this error.

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E: dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. 
E: _cache->open() failed, please report.

Trying to run them one by one, I get the same error.

Trying to run 'dpkg --configure -a' from terminal I get this error:

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dpkg: error: requested operation requires superuser privilege

What's going on, and how to fix this??

[Moem]

Put sudo before the command. That's how you get temporary superuser privileges. Press enter after the command.
You will be prompted for your password; enter it (you will not get any visual feedback, not even stars) and press enter.

[winxpwasgreat]

Thank you Moem, it worked. Also thank you for explaining, I like when I learn new stuff after fixing issues.

[Moem]

Glad I could help!