Problem: My Task Manager Does Not Open at All

Problem: My Task Manager Does Not Open at All

First of all, on Thunderbird issue that suddenly stops working after an update, maybe you have jumped a few too many versions and cause it to stop working. Uninstall it and remove the contents completely from the directory. Click the link below for the Thunderbird profiles, location and more.

Thunderbird – Article about Thunderbird Profile Folder

Secondly, if the recent software that you added is causing some compatibility issues, then you can try to uninstall it first and check if there will still be a problem. If not, then you can always install it back.

Lastly, the most common problem for the Task Manager to stop working is that your computer might be affected with some virus. Ensure that you have an updated antivirus software and then run a complete scan and remove any threats that can be found on your computer. Else, if this is not the case and you are connected to a network, ensure that the Task Manager has not been turned off and enable it again. To enable it:

The steps below will requires to modify the registry. Any incorrect changes could render your computer to stop working. So backup your registry first before modifying it.

To enable Task Manager in Windows Vista Home Basic or Home Premium:

1. Launch the Registry Editor by clicking on Start and then type regedit on the text field. If prompted for a administrator password, type it or confirm it.

2. Go to the following: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPolicies.

3. Double-click on the System and DisableTaskMgr. Change its value to 0 and click OK.

To enable Task Manager on Windows Vista other editions:

1. Click Start and type gpedit.msc and press enter.

2. Double-click the Administrative Templates in the User Configuration area.

3. Double-click on System and select CTRL+ALT+DEL. 

4. Double-click on the Remove Task Manager and then Disable it and click OK. 

To enable Task Manager in Windows XP: (except Windows XP Home Edition)

1. Click Start and then Run. Type gpedit.msc and click OK.

2. Under the Group Policy window, select User Configuration and then select the Administrative Templates.

3. Select System and select the CTRL+ALT+DEL.

4. Choose Remove Task Manager and double-click on the Remove Task Manager.