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While doing a software update (currently using 16.04), everything in the window went grey during install, and is apparently stuck on "configuring shim-signed". I am not wanting to cancel installation...is this just a matter of patience? How long should I wait? What should I do?

Grey4our
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  • Take a look at [my post](http://askubuntu.com/questions/971240/dpkg-error-processing-package-shim-signed/971290#971290) – bruco Oct 31 '17 at 11:56

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I had to end the Software Updater and reboot, then use terminal to do sudo apt-get update

Then, I also followed the instructions to run dpkg --configure -a

After that, I did sudo apt-get update again, followed by sudo apt-get upgrade

This worked for me, but I'm not saying definitively that this will fix your issue as well.

wjandrea
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Jim
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