If the Windows XP Taskbar clock has disappeared and is disabled, the following Registry edit may redisplay the clock. This post provides step by step windows xp support to resolve this issue.
Normally the Windows XP Taskbar contains the system clock on the right side in the Notification Area. While you can remove the Taskbar clock, what if the clock has disappeared?
Normally all you need to do is right-click an empty area of the Notification Area, choose "Properties", click the "Taskbar" tab when the "Taskbar and Start Menu Properties" dialog box displays, check the "Show the clock" box, and click "OK". But what if the "show the clock" checkbox is grayed out / disabled?
1. Open "regedit.exe" from the "Start" - "Run" dialog box.
2. Navigate to the following key: My Computer \ HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ policies \ Explorer.
3. You should see a REG_DWORD value named HideClock. Double-click this and change its value to 0.
4. Close the Registry Editor. You will need to logoff and back on or restart your machine for the change to take effect.
