Ok, I’m trying to install Vista SP2 on my system (32bit) and I keep getting a 0×800B0100 error. It tells me to download the respective System Update Readiness Tool, which I did, and ran..

You, too, can be infected by W32/Alureon! The Microsoft Security Response Center (MSRC): Update – Restart Issues After Installing MS10-015 and the Alureon Rootkit “Our investigation has concluded that the reboot occurs because the system is infected with malware, specifically the Alureon rootkit.”

Previous posts didn’t help anything so a new thread: WinUpdateLog shows: 2009-11-12 20:14:38:015 628 1278 Agent * WARNING: Exit code = 0×80240020 2009-11-12 20:14:38:015 628 1278 Agent ********* 2009-11-12 20:14:38:015 628 1278 Agent ** END ** Agent: Installing updates [CallerId = MicrosoftUpdate]

Well, I removed Avast, Skype and Aero … and it froze again this morning

Have you followed all of the instructions I posted in my first reply, including all of the instructions in KB923100 (Method 1 *and* Method 2, if need be; which tells you, …