When you're in the folder, press File > Change folder and search options... Press the tab View, and then under Advanced Settings:
-On Hidden Files and Folders, set it to Show hidden files, folders, and drives.
-Uncheck Hide extensions for known file types
-Uncheck Hide protected operating system files
Lastly, hit Apply and OK.
Once that's done, then try to browse for that file again, please, and see if it all works out this time.
-On Hidden Files and Folders, set it to Show hidden files, folders, and drives.
-Uncheck Hide extensions for known file types
-Uncheck Hide protected operating system files
Lastly, hit Apply and OK.
Once that's done, then try to browse for that file again, please, and see if it all works out this time.