Fix: Windows 7 Update stuck on "Checking for updates" (windows update hangs forever on Windows 7)

Both explains and solves the problem.  Encountered it multiple times reinstalling Windows 7...

Fix: Windows 7 Update stuck on "Checking for updates" 

This article shows you how to fix the "Checking for Updates" loop on Windows 7.

Why this problem occurs

Inside Windows Update, there is a small piece of software called an agent. The agent contacts Microsoft's servers and downloads any available updates. 

In order to function properly, the agent on your computer must be the same version as the one on Microsoft's servers, otherwise your computer will not be able to communicate with the servers. Several months ago, Microsoft updated its servers, causing any Windows 7 machines with the old agent to fail when trying to connect. This incompatibility between computer and server causes Windows Update to get stuck.

Solution and more at:

https://answers.microsoft.com/en-us/windows/forum/windows_7-update/fix-windows-7-update-stuck-on-checking-for-updates/ad6cfeef-232a-49b4-a57b-39978eea6630

PIXMA MX922 error code B200 workaround, thanks to Canon Community Bulletin Board!

Don't replace the print head!  This happened eventually on both the MX922's we have

Re: PIXMA MX922 with error code B200 (Series MX920)

 

Options

‎09-29-2017 02:31 PM

1. Turn OFF Power
2. Open the print head bay (as though you were about to change inks)
3. Turn ON power
4. Wait for print carriage to start moving to the left and let it go past half way
5. Before print carriage reaches left hand side (but after going halfway across) shut the cover.
6. Leave the Printer turned on
7. Good to go.
I tried this and it worked for me

(excerpted from: http://community.usa.canon.com/t5/Printer-Multifunction-Support/PIXMA-MX922-with-error-code-B200-Series-MX920/td-p/213430 )