General discussion

Wireless connection is going crazy.

I'm at my wits end here, I've tried everything I can think of to solve the issue. Two days ago my computer crashed (Though not in the typical BSOD way, it reset itself with no warning), ever since that time the internet has been behaving erratically. I have to refresh pages constantly before they load, and many do not load at all. However, once I get on a site I can download at my typical speed of 200kb/s. Applications that connect to the internet don't appear to work either, I have tried AVG's update (Which downloaded the update file half way before simply stopping and never resuming), Zonealarm's update and Steam.

Here's the relevant technical information:

Windows XP
Athlon 64 3700
2GB RAM
Buffalo WLI-U2-KG125 Wireless adapter
Belkin 54g router

I've tried repairing the network connection, rebooting the router, changing to another wireless adapter, doing a repair install of XP, flushing DNS, deleting prefetch and cache files and ensuring DHCP is automatically configured. I really don't know what else to try. I tried a system restore, but all of my restore points seem to be corrupted.

Any ideas?

Crash error reports, in case they help:

Event Type: Error
Event Source: System Error
Event Category: (102)
Event ID: 1003
Date: 19/04/2010
Time: 11:09:37
Description:
Error code 100000c5, parameter1 00000004, parameter2 00000002, parameter3 00000001, parameter4 80545573.

Event Type: Error
Event Source: System Error
Event Category: (102)
Event ID: 1003
Date: 19/04/2010
Time: 00:47:50
Description:
Error code 1000008e, parameter1 c0000005, parameter2 80544a9d, parameter3 90f3bc54, parameter4 00000000.

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Comments
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I've seen these symptoms many times recently

The problem was always cured by uninstalling zone alarm, not just exit from the system tray icon but complete uninstall.
Try it you can always put it back if it makes no difference.

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Solved!

Ahah! Thank you, you are both a gentleman and a scholar. That seems to have solved it.

Strange, though. I never updated Zonealarm and I have disabled automatic updates. It was version 8.0.298, I've been using it for a long while now with no problems.

On a totally unrelated note, I have a long running problem regarding one of my hard drives. Once or twice every hour, my system hangs for about six seconds, one of my drives makes a loud whine followed by a loud click and then everything resumes. It produces this warning message in the system log each time it happens:

Event Type: Warning
Event Source: Disk
Event Category: None
Event ID: 51
Date: 22/04/2010
Time: 12:35:36
Description:
An error was detected on device \Device\Harddisk2\D during a paging operation.

How do I determine what drive this is? My new 1.5 TB drive is Disk2 in disk management, but I've been having this problem for about eight months now. I've disk checked all of my drives and they have no bad sectors or anything, so I'm unsure as to what to do. I've tried deleting and recreating the page file, it did not solve it.

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How comfortable are you with editing registry

because I have seen reports that a registry edit can fix this but I cannot be certain because I dont have the problem to test the results?
The report I saw said, Go to
"HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters" and set the value for "EnablePrefetcher" to 1 solved the problem.
If you are not sure about editing the registry, be very careful because you could render your system un loadable and there for be unable to reverse the edit. Also I don't know what side effects this change could have on ordinary usage.

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(NT) My previous relates to event 51 errors
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Hmm...

I don't see how that would help. From what I gather, 0 disables prefetch, 1 is application only, 2 is boot only and 3 prefetches both. I'm certain it's not my system drive, so I don't see how removing boot prefetching would help.

However, I think prefetching is the right track. I totally deleted all Windows prefetch files and set my USB drives to optimal performance rather than rapid removal. After rebooting, I haven't experienced Error 51 in three hours. I'll check if there are any more events when I wake up. Cheers for the help, man.

Strange, I'm having trouble replying to this message. My post keeps disappearing when I click submit without going to the confirmation page, and doesn't seem to be appearing in the thread. I hope I haven't triple-posted.

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ZoneAlarm and AVG

Tell us more about those two. Do either have components that duplicate the other? EG, does ZoneAlarm have an anti-virus option or does AVG have a firewall?

If so, I suspect that they are conflicting.

Also, has ZoneAlarm updated recently? Mine is now version 9.1.507.000 and the new version is causing some problems for me, and I have seen other similar reports as well.

Mark

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