The Evasion Vector
Google Chrome’s Incognito Mode is designed to provide local privacy by ensuring the browser does not record your history, cookies, or form data during a specific session. While useful for logging into a secondary email account, it is frequently exploited by children to bypass local parental monitoring, or by employees attempting to evade corporate acceptable-use policies. Because Incognito Mode is a core feature, Google does not provide a simple toggle switch in the settings menu to disable it.
How to Disable Incognito Mode
You must dive into the underlying Windows Registry to forcefully instruct the operating system to block Chrome from ever launching this private environment.
1. Ensure Google Chrome is completely closed.
2. Click the Start Menu (or press the Windows Key).
3. Type regedit in the search bar and press Enter to open the Registry Editor.
4. When prompted by User Account Control, click Yes.
5. In the left-hand navigation pane, carefully drill down through the following exact path:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome
(Note: If the “Google” or “Chrome” folders do not exist, you must create them by right-clicking the previous folder, selecting New > Key, and naming them exactly.)
6. Click on the Chrome key so it is highlighted. Right-click in the empty white space on the right side of the window.
7. Select New, then DWORD (32-bit) Value.
8. Name this new value exactly IncognitoModeAvailability and press Enter.
9. Double-click your new value and change the “Value data” from 0 to 1. Click OK.
Close the Registry Editor and relaunch Chrome. If you click the three vertical dots in the top-right corner, you will see that the “New Incognito window” option has been permanently greyed out or completely removed from the interface.