After fresh install: Could not install package(s)

[Jareth247]

Some time ago I switched to a RetroFlag SuperPi case and a 64GB microSD card (Sandisk Ultra 64GB Micro SDXC UHS-I Card). I've also tried to install the power switch script. And since then I can't install packages such as DosBox that require certain libraries.

And whenever I try to install such packages on my Raspberry Pi 3 running RetroPie 4.4, I get this:

Log started at: Thu Dec 13 14:17:06 EST 2018

RetroPie-Setup version: 4.4.3 (5953e393)
System: Linux retropie 4.14.30-v7+ #1102 SMP Mon Mar 26 16:45:49 BST 2018 armv7l GNU/Linux

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Installing dependencies for 'dosbox' : DOS emulator
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Did not find needed package(s): libsdl-net1.2-dev libsdl-sound1.2-dev subversion timidity freepats. I am trying to install them now.
Get:1 http://archive.raspberrypi.org/debian stretch InRelease [25.3 kB]
Get:2 http://raspbian.raspberrypi.org/raspbian stretch InRelease [15.0 kB]
Get:3 http://raspbian.raspberrypi.org/raspbian stretch/main armhf Packages [11.7 MB]
Get:4 http://archive.raspberrypi.org/debian stretch/main armhf Packages [200 kB]
Get:5 http://archive.raspberrypi.org/debian stretch/ui armhf Packages [40.3 kB]
Fetched 11.9 MB in 17s (672 kB/s)
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
The following packages were automatically installed and are no longer required:
libwayland-cursor0 libwayland-egl1-mesa
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
esound-common libapr1 libaprutil1 libaudio2 libaudiofile1 libesd0 libmikmod3
libsdl-net1.2 libsdl-sound1.2 libserf-1-1 libsvn1 libxaw7 libxmu6 libxpm4
libxt6
Suggested packages:
nas pulseaudio-esound-compat db5.3-util subversion-tools fluid-soundfont-gm
fluid-soundfont-gs pmidi
Recommended packages:
timidity-daemon
The following NEW packages will be installed:
esound-common freepats libapr1 libaprutil1 libaudio2 libaudiofile1 libesd0
libmikmod3 libsdl-net1.2 libsdl-net1.2-dev libsdl-sound1.2
libsdl-sound1.2-dev libserf-1-1 libsvn1 libxaw7 libxmu6 libxpm4 libxt6
subversion timidity
0 upgraded, 20 newly installed, 0 to remove and 144 not upgraded.
Need to get 0 B/32.7 MB of archives.
After this operation, 46.5 MB of additional disk space will be used.
Selecting previously unselected package libxt6:armhf.
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dpkg: unrecoverable fatal error, aborting:
files list file for package 'libapt-pkg5.0:armhf' is missing final newline
E: Sub-process /usr/bin/dpkg returned an error code (2)
Could not install package(s): libsdl-net1.2-dev libsdl-sound1.2-dev subversion timidity freepats.

Log ended at: Thu Dec 13 14:17:49 EST 2018
Total running time: 0 hours, 0 mins, 43 secs

[mitu]

Probably a corrupted download package. See this forum post for a similar error. You'll need to remove some files from the /usr/lib/dpkg/info folder (corresponding to the package libapt-pkg5.0) and then repair your package manager's cache with the commands indicated in that post.

[Jareth247]

So I just broke down and just did a fresh install of RetroPie. And it worked! I pretty much felt like I had to after screwed up and deleted something I assume was important. It should be worth noting that I didn't install the power switch script this time.

[mitu]

@Jareth247 Glad you got it working; I don't think the power switch script had anything to do with it - although the incorrect file that was causing the problem for apt could have been produced by an improper shutdown in the middle of an install operation.