Access to net after clearing arp cache

G

Guest

Here's a problem I've been having for about 2 months now.

Using a Motorola cable modem wired directly between computer and Comcast.
When I go to access the internet, I am unable. I get a window stating it
can't find the site. Try to access my mail (Outlook), and I get a notice
saying it can't reach Comcast. All the green lights are on the modem and the
yellow LED is flashing, indicating activity.

Now, I can fix this problem and gain access one of two ways. One, I can turn
off and back on the modem. Two, I can click on the local area connection
icon, click on Support and click on the repair button. When I do that, I get
the message "Windows could not finish repairing the problem because the
following action cannot be completed - 'Clearing the ARP cache'. For
assistance, contact the person who manages your network" (that would be
me...). After that message, I close the window and everything works fine - I
have complete access to the net and my mail.

Thinking on what could've caused this, I can remember that this problem
happened right after I moved (worked fine for fours years before that) and
that I once hooked up a laptop computer from my work to the modem which uses
a VPN network for access.

I have been on the line with Comcast, had two techs out to try and resolve
the problem - no one can help. They have checked the modem from their end and
the signal quality is good. If they reset my modem remotely, everything
operates normally after that. However, if I restart the computer, I'm back
into No access again until I complete one of the two items above.

A peculiar problem, I know. I've read so much of Microsoft's tech tips and
FAQ's, but can’t seem to find anything addressing this. Any help would be
greatly appreciated.
 
F

Frank Saunders, MS-MVP OE/WM

Bill W. said:
Here's a problem I've been having for about 2 months now.

Using a Motorola cable modem wired directly between computer and Comcast.
When I go to access the internet, I am unable. I get a window stating it
can't find the site. Try to access my mail (Outlook), and I get a notice
saying it can't reach Comcast. All the green lights are on the modem and
the
yellow LED is flashing, indicating activity.

Now, I can fix this problem and gain access one of two ways. One, I can
turn
off and back on the modem. Two, I can click on the local area connection
icon, click on Support and click on the repair button. When I do that, I
get
the message "Windows could not finish repairing the problem because the
following action cannot be completed - 'Clearing the ARP cache'. For
assistance, contact the person who manages your network" (that would be
me...). After that message, I close the window and everything works
fine - I
have complete access to the net and my mail.

Thinking on what could've caused this, I can remember that this problem
happened right after I moved (worked fine for fours years before that) and
that I once hooked up a laptop computer from my work to the modem which
uses
a VPN network for access.

I have been on the line with Comcast, had two techs out to try and resolve
the problem - no one can help. They have checked the modem from their end
and
the signal quality is good. If they reset my modem remotely, everything
operates normally after that. However, if I restart the computer, I'm back
into No access again until I complete one of the two items above.

A peculiar problem, I know. I've read so much of Microsoft's tech tips and
FAQ's, but can’t seem to find anything addressing this. Any help would be
greatly appreciated.

Winsock may be damaged:
LSP-Fix - a free program to repair damaged Winsock 2 stacks (all Windows
versions)
http://www.cexx.org/lspfix.htm
Winsockfix for W95, W98, ME, NT, 2000, XP
http://www.tacktech.com/pub/winsockfix/WinsockFix.zip
Directions here: http://www.tacktech.com/display.cfm?ttid=257
WinXP:
Get WinSockxpFix
http://www.spychecker.com/program/winsockxpfix.html
How to Reset Internet Protocol (TCP/IP) in Windows XP
http://support.microsoft.com/kb/299357
WinXP SP2: You can go to Start | Run and type
CMD
In the command window type
netsh winsock reset
 
G

Guest

Frank,
Thanks for all the information. I did try >
http://www.spychecker.com/program/winsockxpfix.html in an attempt to fix the
problem. Unfortunately it didn't change the symptoms.

If I ping Comcast before the repair button is pressed, I get a timeout.
After the repair button is pressed, I get 100 % returns.

If you have any other useful tips, I'd appreciate the help. This is getting
real old, and Comcast simply toutes the standard responses from their play
book.

Again, thanks,
 
H

Hans Le Roy

Hi Bill,

Also: did you check the connection settings of IE in Tools, Internet
options, Connections? There might be an obsolete entry.

CU

Hans
 
F

Frank Saunders, MS-MVP OE/WM

If you're running the Comcast Toolbar try uninstalling that.
 

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