This is a window pc and the file structure in the search bar is forward slash but in the Index of section in there is Backward slash.
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Windows actually supports both types of slashes in many contexts, though backslashes are the standard convention. This mixed use of slashes can sometimes be confusing, but the system generally understands both formats depending on the context.
The search bar might be showing a web URL format (which uses forward slashes)
The "Index of" section is showing the actual Windows file path format (which uses backslashes)
