JSI Tip 10556. When you attempt to connect to the Windows Update Web site, or to MSN Messenger, from Windows XP, you receive 0x800b0001?

When you try to connect to MSN Messenger or to the Windows Update Web site, from a Windows XP computer, you receive the following error:


This behavior will occur if the Softpub.dll and/or Mssip32.dll and/or Initpki.dll libraries are not properly registered.

To correct this behavior:

1. Open a CMD.EXE window.

2. Type the following commands, pressing Enter after each line:

regsvr32 /s Softpub.dll
regsvr32 /s Mssip32.dll
regsvr32 /s Initpki.dll

Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.