taskhost.exe - Application Error on shutdown or reboot / Goes away when language bar not used

I get the following error message every time I reboot or shut down the system. It started happening a week ago or so, just before I (unrelatedly) did I clean reinstall of Windows 7 64-bit. The problem has persisted since the reinstall.

taskhost.exe - Application Error
The exception unknown software exception (0xc000070a) occurred in
the application at location 0x776d11c3

Click on OK to terminate the program
If I end the taskhost.exe process before I shut down, there is no error message.

EDIT: I spoke/wrote too soon; the problem is back, even with the language bar disabled. I'm closing some other programs before rebooting to see if it's one of those causing it.

EDIT 2: I'm going by the theory that the error was being caused by an application for tracking gaming activity that I've now uninstalled. No errors so far after several reboots.

Any help would be much appreciated.

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