Though Backup and Sync is a simple tool, it is still prone to several issues. One of the most common issues that users face in A Synced Folder is Missing. If you face a similar issue on your Backup and Sync App, then here is the quick fix to solve the folder missing error for your Windows or Mac PC. The error generally happens if you have changed the Google Drive folder location in your PC Finder/Explorer. Here is the Simple Fix to Solve the error. Alternatively, you can try changing the folder location for GDrive files on your PC and check if this fixes the issue.
This simple fix will solve the Google Drive Synced Folder is Missing for Backup and Sync App for Windows and macOS.