system
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Hi igor, I would like to explain in detail for your questions.
At first, my PC environment is as below.
Windows XP Professional SP2, Multi boot system by Main WinXP and Sub WinXP.
M/B: ASUS P5B, Core2 Duo E6400, 2GB RAM, 3 HDDs by SATA, DVD/CD device, FD, CF reader by USB2,
No PCI expansion card, USB Mouse, USB Keyboard
Your Questions;
What exactly does it mean, “can’t shutdown immediately”? Does it just take longer (how much?) to shutdown, or is it impossible to shutdown at all? Do any window appear during that time?
Normally, my PC takes 20 seconds for shutdown process ( from “Please wait…” message to Power off). In case of the problem, it has NEVER been done Power off for ever. At least over 10 minutes I am waiting many times. And then Windows logo and “Now in shut down process” is just keeping. I’m not sure real message in English because my Windows XP is Japanese version. It seams to me that manual scanning of Memory & start up brings the shut down problem especially.
How often does the problem occur? (approximatelly - once in 2 shutdowns, or once in 10 shutdowns?)
Today I tried 20 times PC start up/Reset for the testing and investigation. The problem has occurred almost 70-80% under the configuration of resident protection with full service provider such as Standard, Internet, P2P etc.
Would it help if you stopped avast! resident protection before shut down?
Yes, windows has normally done “shut down” and Power off under NO service provider of avast.
Are there any suspicious records in Windows Event Log?
Sorry, I have no idea of any statistical info on windows result.
By the way, tool which is an application soft make stop avast by force before windows shut down is providing by a special site in Japan in order to avoid this avast’s problem. In short, this problem is known as far as I know.
Regards,