Windows 10 Folders Opening in New Window: Keeping File Explorer in One Window

You double-click a folder in File Explorer, expecting its contents to appear in the same window. Instead, a brand-new window opens on top. Click another folder, and another window appears. When Windows 10 folders opening in new window fills the screen with Explorer windows, browsing quickly becomes messy.

File Explorer has a setting that decides whether folders open in the same window or a new one. It may have been changed by accident or by a tweaking tool. Holding Ctrl while double-clicking also opens a new window, so a stuck Ctrl key can create the same effect.

In some cases, a damaged registry entry for folder handling makes every folder open separately, even when the setting looks correct.

Checking the option, the keyboard, and then the registry usually slot mahjong fixes it.

Possible Causes

Folders open in new windows for these reasons:

• “Open each folder in its own window” is selected in Folder Options.
• The Ctrl key is stuck or held down.
• “Launch folder windows in a separate process” causes odd behaviour on some PCs.
• Registry entries for folder and directory handling are damaged.

If only folders opened from the desktop behave this way, a desktop shortcut setting may be involved rather than File Explorer.

Some network drives and mapped folders always open in a new window because of how their shortcuts are created, even when the local setting is correct.

Quick Fixes to Try First

Check the setting and keyboard.

1. Open File Explorer, select View > Options > Change folder and search options.
2. On the General tab, under Browse folders, choose “Open each folder in the same window.”
3. Select Apply and OK.
4. Press both Ctrl keys a few times to release any stuck key.
5. Test by double-clicking a folder.

Advanced Steps for Stubborn Cases

Reset folder behaviour.

1. In Folder Options, open the View tab and clear “Launch folder windows in a separate process.”
2. Select “Restore Defaults” on both the General and View tabs.
3. Open Command Prompt as administrator and run regsvr32 actxprxy.dll, which re-registers a component related to folder browsing.
4. Run sfc /scannow to repair system files.
5. Restart the PC and test again.

If the problem started after installing a file manager or shell extension, uninstall it and check whether folders behave normally.

Before You Go Further: Keep Your Files Safe

These steps change only how folders open, not the files inside them. Create a restore point before re-registering system components.

Conclusion

Folders opening in new windows usually means the Browse folders option changed or Ctrl is stuck. Choose “Open each folder in the same window,” reset Folder Options, and repair system files if needed.