Task Manager disabled

Why does Task Manager get disabled when Secure Browser launches?

When Secure Browser (RLDB) is used in a testing environment, it often disables certain system functionalities to ensure the integrity of the online exam. This includes disabling Task Manager and other potentially disruptive or monitoring tools to prevent students from accessing unauthorized programs, processes, or tools during the exam.

Reasons:

Preventing Cheating and System Interference:

Secure Browser is specifically designed to create a secure testing environment. Its primary goal is to prevent students from accessing the desktop, browsing the internet, or using other programs that might help them cheat during an exam. One of the tools that could be used to bypass these restrictions is Task Manager.

Task Manager allows users to view running processes and potentially end or manipulate them. This could allow a user to terminate or modify the Secure Browser process, re-enable restricted programs, or open other applications that may provide a way to cheat. Therefore, disabling Task Manager ensures that students cannot terminate the Secure Browser process or interact with the underlying operating system to bypass the exam restrictions.

Security Policies and System Restrictions:

Secure Browser is often deployed in environments where strict security protocols are enforced. To prevent tampering or unauthorized access to the system, it may trigger system policies that disable tools like Task Manager, which could potentially be used to manipulate or escape the secure exam environment. These restrictions are usually enforced through group policies or registry settings that are applied during the launch of the Secure Browser.

Other System Tools Disabled:

In addition to Task Manager, Secure Browser may disable other tools like:

Ctrl+Alt+Del (which brings up the task manager and other system options).
Alt+Tab (to prevent switching between applications).
Right-click menus (to prevent access to contextual options that could aid in cheating).
Keyboard shortcuts (to disable user-defined shortcuts or system-wide shortcuts that could be used to bypass restrictions).

How to Re-enable Task Manager?

In rare cases, users might notice that Task Manager is permanently disabled after using the Secure Browser (for example, after an exam is over). This might happen if certain registry or policy settings were not reverted after the Secure Browser session ends. To re-enable Task Manager:

You can manually reset the registry settings (e.g., changing `DisableTaskMgr` back to `0`).

Alternatively, a system restart or re-enabling the specific policies through administrative tools can restore Task Manager functionality.

Press the Windows key and R key together to open the Run dialog, then type regedit in the box and click OK to continue.
In the Registry Editor window, navigate to the HKEY_CURRENT_USER\Software\Microsoft\ Windows\ Current Version\Policies\System.
In the right panel, select the key DisableTaskMgr and double-click it.
If the key doesn't exist, create a new key value and set its value to 0