Enable Run Command from Start Menu

Error message:

This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.

Causes:

1. Due to some virus effects.
2. Intentionally disabled by the user/admin.

Solutions:

Method 1:

Before anything else, scan your system to see if it is infected by a virus. Use this step by step instruction, Virus Removal.

Method 2: (Not applicable with Windows XP Home Edition)

• Open My Computer > C drive > Windows > System32 > Locate gpedit.msc

• On the left pane of the Group Policy Window, expand Administrative Templates and select Start Menu and Taskbar.
• On the right pane, locate Remove Run Menu from Start Menu and double click it.

• Select Disabled in the properties dialogue and press apply then OK.

Method 3:

You can use this Tool, Remove Restriction Tool.