- This Could be due to a firewall
- If its NAV DISABLE Internet Worm Protection
- Then Run LiveUpdate
Whatever!
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Whatever! 
June 27, 2006 at 8:38 am
This did not solve the problem
June 28, 2006 at 3:08 pm
this is an amazingly unhelpful article
August 2, 2006 at 7:19 am
2 Responses to “LU1835: Connection to the LiveUpdate server failed”
plese help me
September 7, 2006 at 10:40 am
uninstall LiveUpdate:
1. Click Start and then Control Panel.
2. Click Add or Remove Programs and then click Change or Remove Programs.
3. Select LiveUpdate and then click Change/Remove.
4. Follow the prompts until the uninstall process indicates that it has successfully removed the product.
and then install it again from the symantec website
November 22, 2006 at 4:14 am
Kindly follow the steps below :
1. Open Control Panel
2. Double click on Symantec Live Update
3. Change the mode to Interactive mode
4. Click on OK
5. Close the Control Panel
6. Start Live Update
7. Select each update and install each one at a time.
June 7, 2007 at 1:34 pm
Nope
July 19, 2007 at 6:16 am
Really amazing that there is no clear cut or specific way to solve this problem.what symantec people are doing……….
July 30, 2007 at 6:51 am
damm this could be so exshauting, i have tried my live updates more thatn 10 times. cmmon symantec people we need to protect our computers.
November 17, 2007 at 5:22 am
this are the solution? No way there are not specific solution for error LU1835. No one master mind here…
December 17, 2007 at 2:08 am
I have a problem with Symantec Antivirus version 8.0.1.425 . it always show the message “LU1835:Connection to the LiveUpdate server failed ” when i have tried to LiveUpdate it.
Could anybody tell me what should i do ? Please contact me by mail:”ly_chhean_kh@yahoo.com” Thanks….!
January 13, 2008 at 10:55 pm
I have the exact same problem. I about to just uninstall and go to a different program.
March 22, 2008 at 7:31 pm
Try turning off Windows firewall. I did not have this issue with any of my Windows XP machines, only my Vista boxes. Once I turned it off, it worked fine.
If you have another firewall program, try turning that off or disabling it as well.
June 19, 2008 at 9:25 am
Clearing the live update cache fixed the issue for me.
July 16, 2008 at 5:41 am
Dear Sir
Solution for LU1835: Connection to the LiveUpdate server failed”
Do the flg
a) \All users\Application Data\Symantec\Liveupdate folder
b) in setting.liveupdate file, correct the following sentences
preferences\internet_connect_timeout = (increase default time)
preferences\internet_read_data_timeout = (increase default time)
Regards
V Narayanan
September 28, 2008 at 8:07 am
I have also same problem. I am fate up with Norton.
October 1, 2008 at 12:44 pm
Increasing default time to 120 fixed my problem 🙂 Tnx Narayanan !
October 17, 2008 at 6:48 am
hi
please help me .
i can’t use liveupdate in my pc , In 7 days ago … i can used .
November 6, 2008 at 3:25 am
Narayanan’s solution fixes it completely! checked another settings.liveupdate file and it doesnt even have the timeout settings which leads to the assumption that.. watever,
USE NARAYANANs SOLUTION PEOPLE!!!
November 10, 2008 at 6:10 am
This problem may occure because of the work day load on the internet line of your org.
note :esp. when using firewall.
January 31, 2009 at 4:00 am
NARAYANAN’s solution gives hope. But can I find the flg:
a) \All users\Application Data\Symantec\Liveupdate folder
b) in setting.liveupdate file, correct the following sentences
preferences\internet_connect_timeout = (increase default time)
preferences\internet_read_data_timeout = (increase default time)
January 31, 2009 at 4:03 am
NARAYANAN’s solution gives hope. But where can I find the flg:
a) \All users\Application Data\Symantec\Liveupdate folder
b) in setting.liveupdate file, correct the following sentences
preferences\internet_connect_timeout = (increase default time)
preferences\internet_read_data_timeout = (increase default time)
February 22, 2009 at 3:48 pm
i COULD ABLE TO FIND THE LOCATION OF FILE TO CHANGE THE SETTING BUT NOT ABLE TO EDIT IN THE SETTING OF FILE FROM 45 TO 120 AS PER NARAYANAN SOLUTION. iT DOES NOT ALLOW ME TO SAVE THE CHANGES
March 5, 2009 at 1:43 pm
uDay it is easy to fix this. In the Liveupdate folder, right click setting.liveupdate and select Properties. Uncheck the ‘Read Only’ box and click Apply. You can now save the file again – remember to change the permission back to ‘Read Only’ and clicking ‘Apply’ again.
March 22, 2009 at 5:30 am
Can someone describe in more detail how to locate the setting.liveupdate file, how to open it, how to save it etc. I’ve tried to open it with Word, but it won’t let me save it in the same location…
I don’t know much about computers, so the simpler, the better. I’m having trouble with the LU1835 time-out message and would love to know how exactly to increase the default time-out. Please help! Thanks so much!
April 13, 2009 at 2:54 am
The liveupdate.settings file also has records for HOST which seem to also point to what may be old corporate liveupdate servers. Find a computer that has working settings and replace the lines beginning with HOST from that file into the file on the system with the issue. That resolved my issues with this error.
May 18, 2009 at 1:11 pm
The issue is caused by your firewall. I had the same problem for nearly two weeks.
Increasing the timeout allows your firewall more time to scan the packets from the live update server.
Another solution is to whitelist or write an exception for outbound traffic from your server’s IP address.
September 22, 2009 at 2:12 pm
I solved this problem following Narayanan’s method recently. But he forgot to mention you have to disable norton identity safe and Symprotect Tamper Protection (norton settings) before editing the setting.liveupdate file and changing it to a higher value.
November 17, 2009 at 12:59 pm
I had this issue but none of the above advice provided resolution. It turned out that the LiveUpdate cache was set to 10MB whilst I was trying to download 50MB of updates hence the failure. You can modify the size of the cache in the LiveUpdate applet in Control Panel.
Hope this helps.
December 14, 2009 at 5:42 am
none of the above solutions can help me,,, I increase the live update timeout to 240,,, but no help,,,
I still have this problem (Error:LU1835) at my both computer,,
one of them is Windows7+Symantec Endpoint Protection v.11.04202.75,,, and another is WindowsXP+Symantec Endpoint Protection v.11.04202.75
January 29, 2010 at 10:43 am
NOT THIS ONLY ANY SYMANTEC PRODUCT NO SOLUTION
ITS WASTE OF MONEY
April 28, 2010 at 7:49 pm
So i figured out what it was. Go to LUConfig.exe in the LiveUpdate folder under C:\Program Files (x86)\Symantec and change the cache size from 10MB to something large 2(I did 2GB). This should help since the first time there may be a ton of updates to download.
April 28, 2010 at 7:56 pm
correction, it was a COMBINATION of issues. the cache size, the update timeout, and the firewall being on.
September 7, 2010 at 3:21 pm
hi am having a live update issue on symantec endpoint v11.
has anyone solved this. i have been doing manual updates on the machines but its too much.
February 25, 2011 at 7:17 am
It is essentaial that my PC should be free of viruses. I know that LU 1835 is the only safe update one can think of for safeguarding the PC.
November 22, 2011 at 12:47 pm
Uncheck the read only option from setting.liveupdate and then able to install live update in the interactive mode.
check the modify date of setting.liveupdate file and open it with notepad.