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How to fix Vista update error code 80071A30? Nothing works so far!

Turn off Data Execution Prevention (DEP) for Vista or XP

  • Right click on "My Computer"
  • Select "Properties" and then "Advanced
  • Under "Startup and Recovery", click "Settings"
  • Now click on "Edit
  • The notepad has just begun. Simply replace the line with "noexecute  optionn by AlwaysOff"
  • Restart your PC to complete the transaction.
  • If you want to reactivate the DEP, just conduct the reverse like this:  "AlwaysOff noexecute = noexecute = optin."
Find the MAC address of a PC

Each network interface in the PC has a different MAC address. Cable ISP requires MAC address registration of the network interface of the PC/device that is connected to the cable modem. To find the MAC address of a PC network interface:

For Ethernet connection, connect an Ethernet cable between the PC and the cable modem. Ensure the cable modem is powered up and operational.

Click on Start; click on All Programs; click on Accessories; and Click on Command Prompt to open a command window. Type the command ipconfig /all. Look for the output section related to the network interface for the cable modem, and look for the line Physical Address:

2 Ethernet adapter :
Description . . . . . . . . : Intel DC21041 PCI Ethernet Adapter
Physical Address. . . . . . : 00-60-1D-F6-7E-5C
DHCP Enabled. . . . . . . . : Yes
IP Address. . . . . . . . . : 213.107.117.246
Subnet Mask . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . : 213.107.117.254
DHCP Server . . . . . . . . : 62.253.128.3
Primary WINS Server . . . . :
Secondary WINS Server . . . :
Lease Obtained. . . . . . . : 07 26 01 21:22:01
Lease Expires . . . . . . . :

Cloning a MAC address into the WAN port of a router


For instance, the procedure for the Linksys BEFSR41 is:
  • Discover the MAC address of the PC that you want to clone as in Finding the MAC address of a PC's network interface above.
  • Send your web browser to the Linksys configuration at http://192.168.1.1/ and quote the password for access;
  • Click tab Advanced;
  • Click tab MAC Addr clone;
  • Enter the PC's MAC address, two characters in each of the six boxes.
  • Click Apply.