Task Manager shows network activity even when idle

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1.Task Manager shows network activity even when idle

I access internet through Realtek RTL8139/810x Family Fast Ethernet NIC LAN
ethernet card. When I log on my ISP account, and surf (or download), there
is obviously network activity when i check task bar 'Network Utilization".
Since past few days, however, i see certain amount of bytes being 'received'
even when i log off from ISP account and stop surfing. And this byte amount
is not little, but is constant and substantial. I wonder where are these
bytes coming from and getting stored on my PC. Can anyone help me
out with this?

I tried to block activity at various ports using Norton Internet Security
Pro 2003 firewall and inbuilt Win XP Internet Connection Firewall, but to no
avail. In fact, when i checked the ICF, I saw Windows Messenger (msmsgs.exe)
creating some nuisance here in Services tab. It automatically enables
internet user access on many ports for TCP and UDP. I
disable them, they get enabled automatically next time i check. My NIS 2003
firewall tells me msmsgs.exe accesses port 22 (telnet and SSH port) even
when i terminate it from Task Manager Services tab. It restarts itself gain
and again and I find no other way to disable it. I want to disable it coz I
dont use Windows messenger for IM.

I will be checking this thread for any replies. If convenient, leave contact
instructions in case i wish to ask couple of more questions. Help will be
appreciative.

2.Windows Task Manager shows high cpu activity at rest

I have a Dell P4 2.2MHz system, running XP Home SP1.  I have noticed the 
system running slow, so checking Task Manager, it indicates the "System" runs 
continuously between 65 - 75%, with no programmes active.  I have zapped all 
bugs, trojans, viruses etc using several bug detection softwares, but still 
running high.  Anyone with thoughts or similar experiences?  I am beginning 
to suspect the cause maybe hardware related.

-- 
always hopeful!

3.very less network utilization shown in task manager

i have got cable internet with a speed of 100mbps but when i look at
the graph of network utilization in the task manager window, it shows
only 0.05 to sometimes 0.17% net.utilization? can anybody explain, how
this occurs?

4.Task not showing up in Task Manager Windows CE 5.0

5.Why Excessive Network Activity When System is Idle (Windows XP)

I recently installed Windows XP professional on my home PC. I have a cable 
connection through a local cable company. When I click on the icon to show 
the local area connection, the number of bytes received is always large and 
continually growing at a pace of about 300 bytes each time it changes. This 
happens even though nothing is going on in my system.

At first I thought I had some spyware doing something and I reformatted the 
hard disk and reloaded XP. Before I loaded anything else, I checked the 
network activity. Sure enough the bytes downloaded grow steadly even though 
I don't have anything running. There is nothing else loaded on the PC. The 
bytes uploaded remain constant unless I run IE or some other program that 
uses the network.

Question: Is this normal for XP? If so, what is it doing?

I had Windows 2000 professional on my PC before going to XP, and it didn't 
do this. If nothing was going on, the bytes downloaded would stay the same.

Is this an XP thing?

Paul. 

6. task manager "system idle process"

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