There is an issue that whenever click any drive in windows is clicked it opens it in new window and then each every single folder opens in new window. In such cases following actions can be taken to solve the problem:
1. Reset the folder options view Organize > Folder & search Options > General > Browse Folders > Select
“Open each folder in same windows”
2. Organize > Folder & search Options > View > uncheck Launch folder windows in a new process.
3. Open Registry editor by typing “regedit” in Run dialog box and hit enter. Navigate to the key “HKEY_CLASSES_ROOT\Directory\shell”. On the right hand side pane there is a value named “Default” double-click on this value & Set the value to “none“. Once you make this change, your folders should instantly be back to normal. You must start explorer (Restart/Logoff) for changes to take effect.