Can't install mintupdate 4.5.6-1 (Linux Mint 16)
I can't install mintupdate 4.5.6-1 under Linux Mint 16.
When mintupdate tries to upgrade version 4.5.6 to version 4.5.6-1 the following error pops up:
E: Could not open lock file /var/cache/apt/archives/lock - open (21: Is a directory)
E: Could not open file descriptor -1
E: Unable to lock the download directory
I tried “sudo apt-get update”, no joy. I can download the update but I can’t install it. The same error message appears.
What can I do to fix this? Every suggestion is highly appreciated.
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