DHCP client stops working (vista)?

Question

ok so last night my internet just stopped working completely
so i left my computer on and went to bed
this morning i got up and still not working
i shut down and restarted my laptop many times and i keep getting this message "DHCP client has stopped working" then another message says "host process for windows services stopped working and was closed" so i figure my shcp client stopped so i went into services and i tried to restart the client.... when i try to restart my dhcp it pops up the same message and then my audio service stops running. then the audio comes back and the dhcp is still off....
i cant get on my internet with my laptop.
i tried to view the event logs but it says "event log service is unvailable. verify that the service is running"

so please help me figure out why this is happening...

oh also system restores fail to complete another message comes up saying "system restore was not completed your system files were not changed"


please help

Answer 1

I hate to say it (partly because I'm in a similar -- but not identical -- situation on another of my machines), but that sounds like you have malware on your machine making mischief.



If you have an anti-virus, make sure it has the latest virus definitions and run a scan with it in Safe Mode or Safe Mode with Networking. That often prevents malware from protecting itself. If you don’t have one, many people here swear by AVG (it’s free).



I suggest you also download Ad-Aware 2008 and Spybot S&D (they’re free), install them, update them and run them. If any of the above (or any anti-malware, for that matter) doesn’t seem to be able to run properly or get rid of everything it reports finding, try running it again in Safe Mode.



Also, turn off System Restore to evict any copies of bad stuff that might be lurking there.



To get into Safe Mode or Safe Mode with Networking:



1. Log out and reboot your machine.

2. When the machine starts the reboot sequence, press the F8 key repeatedly.

3. Select Safe Mode or Safe Mode with Networking from the resulting menu.

4. Login. If the malware has changed your password, try logging in as Administrator. By default, Administrator has no password.

5. The machine will continue booting, but the Windows desktop will look different.

6. When you're finished doing what you need to do, log out and reboot back into normal mode.



Note that even if the anti-malware programs get rid of the malware, they may not be able to reverse the effects. Search the Web for possible fixes.



Update and run everything regularly, not just when you think you already have malware.



Good luck.

Answer 2

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if this is at home, not at a company, then it sounds like it could be your router. You technically have 2 DHCP servers in a sense. Your ISP is one that sends out your external address, and change every so often (unless you pay for static addresssing). And the other is inside your router that gives out your Internal addresses. If your router is dying, then that would explain your internal addresses reseting every so often. To test, take down your router (thus every other computer on your network) and go straight from the MODEM (DSL) or GATEWAY (CABLE) to your computer. Dont use the router at all and see if everything is ok. Good luck

Answer 3

Did you pay your ISP subscription?

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Connect Modem [wired] to Router [wireless] to PCs.

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Set router POWER OFF.

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Reset modem: With a straightened paperclip, press RESET button momentarily.

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Wait 60 secs.

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Set router POWER ON.

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Reset router: With a straightened paperclip, press RESET button momentarily.

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Wait 60 secs.

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PC Command Line:

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Click [Start] - Click [Run...] - enter: cmd, Click [OK]

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At the prompt (c:\.....>) enter: ipconfig /release, press [ENTER]

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At the prompt (c:\.....>) enter: ipconfig /renew, press [ENTER]

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TEST: Connect to Internet.

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If SUCCESS: Repeat Steps after PC Command Line on other PCs.

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If NO SUCCESS:

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At the prompt (c:\.....>) enter: ipconfig /all, press [ENTER]

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Ensure DHCP Enabled == YES

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If IP Address == 0.0.0.0 OR 169.254.0.0 to 169.254.255.255, connect Modem [wired] to Router [wired] to PCs and perform ALL steps again.

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Answer 4

try running: Netsh winsock Reset



From command prompt then run: netsh int ip reset resetlog.txt



and reboot