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DHCP and TCP/IP Error 1075


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7 replies to this topic

#1 Xobile

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Posted 30 December 2011 - 04:09 PM

Hello all,

I've noticed that a few people have posted concerning this topic, so I've tried to read up on as many possible solutions before posting. I'm recently recovering from a mild virus infection on my computer, and noticed that after I had run Avast! and Malwarebytes to remove the virus, my computer lost its internet functionality. Upon running ipconfig in command prompt, I noticed that the computer was not being assigned an IP address, which lead me to believe there could be an issue with DHCP.

When running services.msc, I notice that both DHCP client and TCP/IP netbios are not running, and when I try to run them, I get an error 1075, that the files are "either non-existent or marked for deletion". I noticed that someone else had posted a very similar problem, but a few of the more advanced fixes seemed specifically tailored for their issue.

Below are the fixes I've attempted thus far -

1. Checked the registry for DHCP’s dependencies (3 are listed, Afd, Tcpip, and NetBT).
2. Reset TCP/IP stack to installation defaults by typing “netsh int ip reset reset.log” into command prompt.
3. Reset WINSOCK entries to installation defaults by typing “netsh winsock reset catalog” into command prompt.
4. Ran “sfc /scannow” with an XP SP3 CD.

I'm currently running Windows XP Media Center, Service Pack 3 on a Dell Inspiron E1505 laptop I had purchased in mid-2006.

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#2 Broni

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Posted 30 December 2011 - 04:57 PM

Welcome aboard Posted Image

Please download Farbar Service Scanner and run it on the computer with the issue.
  • Make sure the following options are checked:
    • Internet Services
    • Windows Firewall
    • System Restore
    • Security Center
    • Windows Update
  • Press "Scan".
  • It will create a log (FSS.txt) in the same directory the tool is run.
  • Please copy and paste the log to your reply.

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#3 Xobile

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Posted 30 December 2011 - 05:59 PM

Thank you for the prompt response! Below is the log that FSS created:

Farbar Service Scanner
Ran by Shivang (administrator) on 30-12-2011 at 17:56:27
Microsoft Windows XP Professional Service Pack 3 (X86)
Boot Mode: Normal
****************************************************************

Internet Services:
============
Dhcp Service is not running. Checking service configuration:
The start type of Dhcp service is OK.
The ImagePath of Dhcp service is OK.
The ServiceDll of Dhcp service is OK.

NetBt Service is not running. Checking service configuration:
Checking Start type: Attention! Unable to open NetBt registry key. The service key does not exist.
Checking ImagePath: Attention! Unable to open NetBt registry key. The service key does not exist.


Connection Status:
==============
Localhost is accessible.
There is no connection to network.
Attempt to access Google IP returned error: Google IP is unreachable
Attempt to access Yahoo IP returend error: Yahoo IP is unreachable


Windows Firewall:
=============

Firewall Disabled Policy:
==================
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall"=DWORD:0


System Restore:
============

System Restore Disabled Policy:
========================


Security Center:
============
wscsvc Service is not running. Checking service configuration:
Checking Start type: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking ImagePath: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking ServiceDll: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking LEGACY_wscsvc: Attention! Unable to open LEGACY_wscsvc\0000 registry key. The key does not exist.


Windows Update:
===========

File Check:
========
C:\WINDOWS\system32\dhcpcsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\afd.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\netbt.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\tcpip.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\ipsec.sys => MD5 is legit
C:\WINDOWS\system32\dnsrslvr.dll => MD5 is legit
C:\WINDOWS\system32\ipnathlp.dll => MD5 is legit
C:\WINDOWS\system32\netman.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\srsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\sr.sys => MD5 is legit
C:\WINDOWS\system32\wscsvc.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\wuauserv.dll => MD5 is legit
C:\WINDOWS\system32\qmgr.dll => MD5 is legit
C:\WINDOWS\system32\es.dll => MD5 is legit
C:\WINDOWS\system32\cryptsvc.dll => MD5 is legit
C:\WINDOWS\system32\svchost.exe => MD5 is legit
C:\WINDOWS\system32\rpcss.dll => MD5 is legit
C:\WINDOWS\system32\services.exe => MD5 is legit

Extra List:
=======
aswTdi(9) Gpc(3) IPSec(5) NwlnkIpx(10) NwlnkNb(11) PSched(7) Tcpip(4)
0x0B0000000500000001000000020000000300000004000000090000000600000007000000080000000A0000000B000000

**** End of log ****

#4 Broni

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Posted 30 December 2011 - 06:52 PM

You have a registry key missing.

Following steps involve registry editing. Please create new restore point before proceeding!!!
How to:
XP - http://support.microsoft.com/kb/948247
Vista and Seven - http://www.howtogeek.com/howto/windows-vista/create-a-restore-point-for-windows-vistas-system-restore/


Download XP.zip file from here: http://www.smartestcomputing.us.com/files/download/9-registry-network-keys/
Unzip the file.
You'll find several files inside.
Right click on netbt.reg file, click "Merge".
Allow registry merge.
Restart computer, check on internet connection and post new FSS log

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#5 Xobile

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Posted 30 December 2011 - 08:32 PM

Brilliant! Internet is now back online. Thanks so much for your help. I wonder why the sfc /scannow didn't fix the missing registry keys?

Anyhow, below is the FSS scan after the fix.

Farbar Service Scanner
Ran by Shivang (administrator) on 30-12-2011 at 20:13:56
Microsoft Windows XP Professional Service Pack 3 (X86)
Boot Mode: Normal
****************************************************************

Internet Services:
============

Connection Status:
==============
Localhost is accessible.
LAN connected.
Google IP is accessible.
Yahoo IP is accessible.


Windows Firewall:
=============

Firewall Disabled Policy:
==================
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]
"EnableFirewall"=DWORD:0


System Restore:
============

System Restore Disabled Policy:
========================


Security Center:
============
wscsvc Service is not running. Checking service configuration:
Checking Start type: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking ImagePath: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking ServiceDll: Attention! Unable to open wscsvc registry key. The service key does not exist.
Checking LEGACY_wscsvc: Attention! Unable to open LEGACY_wscsvc\0000 registry key. The key does not exist.


Windows Update:
===========

File Check:
========
C:\WINDOWS\system32\dhcpcsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\afd.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\netbt.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\tcpip.sys => MD5 is legit
C:\WINDOWS\system32\Drivers\ipsec.sys => MD5 is legit
C:\WINDOWS\system32\dnsrslvr.dll => MD5 is legit
C:\WINDOWS\system32\ipnathlp.dll => MD5 is legit
C:\WINDOWS\system32\netman.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\srsvc.dll => MD5 is legit
C:\WINDOWS\system32\Drivers\sr.sys => MD5 is legit
C:\WINDOWS\system32\wscsvc.dll => MD5 is legit
C:\WINDOWS\system32\wbem\WMIsvc.dll => MD5 is legit
C:\WINDOWS\system32\wuauserv.dll => MD5 is legit
C:\WINDOWS\system32\qmgr.dll => MD5 is legit
C:\WINDOWS\system32\es.dll => MD5 is legit
C:\WINDOWS\system32\cryptsvc.dll => MD5 is legit
C:\WINDOWS\system32\svchost.exe => MD5 is legit
C:\WINDOWS\system32\rpcss.dll => MD5 is legit
C:\WINDOWS\system32\services.exe => MD5 is legit

Extra List:
=======
aswTdi(9) Gpc(3) IPSec(5) NetBT(6) NwlnkIpx(10) NwlnkNb(11) PSched(7) Tcpip(4)
0x0B0000000500000001000000020000000300000004000000090000000600000007000000080000000A0000000B000000

**** End of log ****

#6 Broni

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Posted 30 December 2011 - 08:37 PM

Good news :)

sfc stands for "system files checker".
It doesn't deal with registry.

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#7 DonTomio

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Posted 11 January 2012 - 11:28 AM

Thank you, Thank you, Thank you!!!! I just registered to thank you. I have been searching for a fix to this problem about two days now. I knew their had to be one. I was just about ready to nook the hard drive and reinstall when I found this post. It fixed my problem very easily.
Now I know where to look in the future.
Can't say it enough.
Thanks again.


#8 Broni

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Posted 11 January 2012 - 11:37 AM

:)

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