[BUG] VSCode UI extension cannot understand \_parent\_child as folder path on Windows

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Using the VSCode UI extension, requesting a path update in files, specifying a folder with this pattern Drive:\folder\_parent\_child as the replacement results in Claude using Drive:\folder\_parent_child instead

What Should Happen?

Claude should correctly use the given string: Drive:\folder\_parent\_child

Error Messages/Logs

Steps to Reproduce

Requesting a path update in files, specifying a folder with this pattern Drive:\folder\_parent\_child as the replacement
Claude will use Drive:\folder\_parent_child instead

Claude Model

Not sure / Multiple models

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.0.74

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_