**As previously stated, Tech Support tried to help me and ended by saying "...
I took a look at your system information that you sent us and it appears that there are some core services in your operating system that are crashing.
It checks for software udpates and automatically downloads and installs them if found.
The error is a common bug among all games publishes by Blizzard and there have been many successful ways to fix it in different scenarios.
We have gathered working methods from around the Internet and gathered them in a single article for you to check out. Well, the problem is sometimes caused by a bug with the Update Agent which tried to check for updates and it got stuck searching for them, preventing any other downloads or updates to be installed.
The “Waiting on another installation or update” error appears when users are trying to open the launcher for a Blizzard game which is usually run through the desktop app.
The message indicated that other installs or updates are being downloaded or installed but users see no such things in the client.
(should be like 40 mb., and then the game will download and install via the Blizzard Launcher) If this does not work - you should contact Blizzard technical support.
Try this link, provided by a Blizz Admin Basically: close all programs, then delete whichever of the following exists: Thank you for your interest in this question.
This is likely the cause of Star Craft II not being able to be installed and I would recommend taking your computer to a local tech to see what may be causing these crashes.
has 9 known versions, the most recent one is 126.96.36.1993.
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For whatever reason, Internet Explorer (which I never use) was set to "work offline".