Windows Live Messenger 8.1 80048820 error on Vista

Colin Jones · 03-03-2007

I have just got a new PC with Windows Vista on and have installed WLM
8.1 - however every time I try to sign in it fails with an error
80048820.

I have checked firewall (even turned it off), and it makes no
difference.

When you click 'Troubleshoot' it fails at the first one and says "Your
machine appears to have an invalid IP address", however the internet
connection etc is working fine for everything else (browsing etc).

Running IP Config gives...
PPP adapter Speedtouch Broadband:
Connection-specific DNS Suffix . :
IPv4 Address. . . . . . . . . . . : 84.65.151.49
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 0.0.0.0
This is a USB modem.

I followed the help steps here:
http://help.live.com/EN_US/HelpWindo...Us=&v4=DH_FREE

But none of them corrected it - the last section was strange as
several of the DLL's would not register, for example:

"The module "wintrust.dll" was loaded but the call to
DllRegisterServer failed with error code 0x80070005"

Tried uninstalling WLM and then reinstalling to no avail.

Tried deleting the registry keys for WLM and Windows Messenger but no
difference.

Strange thing was when I *first* installed it it did work for a little
while, but after using the PC for a while and restarting it stopped
and now just will not connect.

Help!

Scott Green · 03-03-2007

Hi Chris,

I had the same problem so i had to right click on the main .exe file for
messanger and run it as administrator then it will work, but ! it will not
start it automaticly so you have to start it up yourself

Hope this works, did for me. let me know how you get on

Mike Hall - MS MVP · 04-03-2007

Colin

There are some helpful suggestions from Jonathon Kay regarding this error
code..

http://forumz.tomshardware.com/softw...pict95438.html

Colin Jones · 05-03-2007

Thanks for the hints!

I've managed to fix it, and after all the trouble I went to I can't
believe how simple the fix was! On the WLM sign-in screen I had
ticked the box to "Remember Me" (it had worked the first couple of
times), and below that was a 'Forget Me' link.

I just clicked 'Forget Me' then re-entered the details and it worked
perfectly! Trying all those other registry things, uninstalling etc.,
had been to no avail, but that did it! Doh! Only took me about two
hours of pulling my hair out. :-)

Cheers all anyway.