LiveUpdate fails to Run, Error Code 1803

Products

• Endpoint Protection

Issue/Introduction

LiveUpdate fails with a popup message that displays the following error: "Error: LU1803 Unable to run Liveupdate"

LiveUpdate 3.2

Clicking on Liveupdate will give Error: LU1803

Attempting to open 'Symantec Liveupdate' under the Control Panel displays the following:

LiveUpdate 3.3
 

Error: LiveUpdate could not access its settings. Error Code: 0x00000000

 

 

Resolution

A clean install of the latest compatible release of LiveUpdate often resolves this issue.  

Uninstall Symantec LiveUpdate with Add/Remove Programs

1. Change the following registry key:
   
   HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\Current Version\Explorer\User Shell Folders\AppData
   value=%APPDATA%
   
   Change it to:
   
   HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\Current Version\Explorer\User Shell Folders\AppData
   value=%USERPROFILE%\AppData\Roaming

 

 

2.  Check for folders left by Liveupdate and remove them if they are present.
 

Windows XP/2003 

C:\Program Files\Symantec\LiveUpdate, 

C:\Documents and Settings\All Users\Application Data\Symantec\LiveUpdate.

 

Windows Vista/7/2008

C:\Program Files\Symantec\LiveUpdate,

C:\Program Data\Symantec\Liveupdate.

1. Reinstall Symantec LiveUpdate.
2. Repair install Symantec AntiVirus 10.x or Symantec Endpoint Protection11.x
3. Run LiveUpdate.