Add troubleshooting item for VSCT_WslDaemon environment variable

Author: ghogen

support/developer/visualstudio/ide/troubleshooting-docker-errors.md

@@ -3,7 +3,7 @@ title: Troubleshoot Docker client errors on Windows
 description: Troubleshoot problems you encounter when using Visual Studio to create and deploy web apps to Docker on Windows by using Visual Studio.
 ms.devlang: dotnet
 ms.custom: sap:Integrated Development Environment (IDE)\Other, linux-related-content
-ms.date: 10/12/2022
+ms.date: 2/14/2025
 author: HaiyingYu
 ms.author: haiyingyu
 ms.reviewer: ghogen
@@ -26,6 +26,10 @@ File sharing only needs to be managed if you're using Hyper-V with Docker. If yo
 > [!TIP]
 > Visual Studio prompts you when **Shared Drives** aren't configured.
 
+## Problems with paths on Windows containers
+
+You may get a variety of file I/O errors that arise from attempts to use Linux-specific paths on a Windows container. If this occurs, check the environment variable VSCT_WslDaemon. If set, this causes Linux-specific paths to be used for some paths, which doesn't work on Windows containers. This environment variable should always be unset if you're using Windows containers.
+
 ## Unable to start debugging
 
 One reason for this issue could be related to having stale debugging components in your user profile folder. Execute the following commands to remove these folders so that the latest debugging components are downloaded on the next debug session.