If you see Task Manager and regedit have disabled error code on your computer, then you need to check out these troubleshooting tips.
If Registry Editor is also disabled, you need to enable Registry Editing first. In the left navigation pane, navigate to HKEY_CURRENT_USER Software Microsoft Windows Current Version Policies System. If the system key does not exist, you will need to create one. Find DisableTaskMgr in the workspace.
In some cases, you may need to disable the Task Manager in Windows 10. There are also opposite situations where you can enable the Task Manager, for example, if your computer has been infected with malware that is disabled by the Task Manager. In such a case, every time you try to start it, all you get is a message that the task manager has been disabled by your administrator. Whatever the reason, you can enable or disable the Task Manager in four different ways. You can use our free TaskMgrED tool to enable or disable the Task Manager, Windows Registry (regedit), Command Prompt or PowerShell, or even change your Local Policy (GPO).
NOTE. To disable Task Manager in Windows 10, you must be logged in as an administrator.
You are using an account that has been blocked by local or domain group policy.
Certain registry settings prevent the use of Task Manager.
Step 1. Open Windows 10 command prompt as administrator. (Press Win X, then select Command Prompt (Admin).)
Step 2. Enter REG, add HKCU Software Microsoft Windows CurrentVersion Policies System / v DisableTaskMgr / t REG_DWORD / d 0 / f and press Enter. If “Operation completed successfully” is displayed, the disabled Task Manager is enabled.
Step 1: Open Registry Editor in Windows 10. (Search for “regedit” in the Start Menu.)
Tips: Since the registry is an important part of the system, you must be very careful when using the registry editor. You can first back up the Windows 10 registry before making any changes in case of an error.
Step 2. Navigate to HKEY_CURRENT_USER Software Microsoft Windows CurrentVersion Policies System. In the “Policy” section, select “System”. A key named “DisableTaskMgr” appears in the right pane. Remove the key. Or double click the button, set for n Its value is “0” and press OK.
Changes take effect immediately. The disabled Task Manager will be activated and you should be able to start it without any problems.
Step 1. Create a new Notepad file on your Windows 10 desktop
Step 2. Enter the codes below into the editor and save them in the DisableTaskMgr.reg file.
Step 3. Double-click the DisableTaskMgr.reg file. Click Yes when prompted in the User Account Control dialog box. Click Yes when the following warning message appears.
Step 4. If you are prompted to successfully add keys and values to the registry, then the disabled Task Manager is enabled.