1.18.0 All "Task" functionality broken

[officer-tuba]

• VSCode Version: Code 1.18.0 (dcee220, 2017-11-08T21:19:36.079Z)
• OS Version: Windows_NT ia32 6.1.7601
• Extensions: Extensions are disabled

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Steps to Reproduce:

Clicking any of the following menu items from the "Tasks" menu:
Run Task
Run Build Task
Configure Tasks
Configure Default Build Task
...results in nothing but an output message, "Error: spawn UNKNOWN"

I originally posted this under Issue #37986, but the scope of the problem seems to be much bigger than I thought at the time.

Reproduces without extensions: Yes

Edit: just want to add that the symptoms persist after a fresh install.

[roblourens]

If these commands are activating an extension that does a search, or search is involved some other way, then this would be #37863.

Since it's 32-bit Windows, and the error is the same, my gut says it's the same issue.

[officer-tuba]

@roblourens, yes this turned out to be the same root cause. resolved with your rg.exe 32 bit replacement.
thanks!

[roblourens]

Thanks for trying that. It will be fixed for real in the next Insiders update or stable update.