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    • How to Open TCP Ports in Windows

      How to Open TCP Ports in Windows

      Opening TCP ports in Windows may be necessary for certain applications to run correctly. Each application may require a specific port to operate on. While a computer can and does open ports on its own, it may have to be done manually in certain situations. Here is a simple procedure. Step 1. Launch Windows and

    • How to Fix Error 0x80070570 in Windows 7

      How to Fix Error 0x80070570 in Windows 7

      When trying to upgrade a computer running an older version of Windows to Windows 7, end-users can encounter the 0×80070570 error. When the error is thrown, Windows will only notify the user that the installer is not able to install the files required to upgrade the computer preventing further progress from being made with the

    • Error 0x8000ffff

      Error 0x8000ffff

      Microsoft has bundled their basic Firewall application with the Windows Operating System (OS) since Windows XP SP 3. The firewall is used to provide consistent protection against Internet intrusion and attacks on computers and will block connection attempts that have previously been associated with malicious behavior. Error 0x8000ffff can be generated when the Microsoft Firewall

    • Error 619

      Error 619

      Windows error 619 occurs when a user attempts to reconnect a modem to the Internet after a successful connection and the computer fails to connect to the Internet. This error often forces users to restart their computer in order to successfully connect to their Internet Service Provider (ISP) and the Internet. This problem most commonly

    • NetBIOS Names

      NetBIOS Names

      A NetBIOS name is an identifier that NetBIOS services running on a computer use. It is a combination of a 15 character (byte) name and a 16th character denoting the service. These names identify resources on the NetBIOS network. NetBIOS cannot do name resolution on the Internet because NetBIOS names are single part names and

    • Dual Time Zone Clocks

      Dual Time Zone Clocks

      Time display is a feature that is already incorporated into the Windows operating system Task Bar. Although this clock is very simple to use, it is only set to a specific time zone and extra steps must be taken to switch over to a new time zone, even temporarily. There are some simple ways to

    • Ntoskrnl.exe is Missing or Corrupt

      Ntoskrnl.exe is Missing or Corrupt

      The NTOSKRNL.EXE is missing or corrupt error message is usually encountered during the boot process of NT based Windows operating systems. It can also be classified as a blue screen error, which is a colloquial term coined by users to describe error screens displayed by Windows. These errors are displayed due to critical system errors

    • 0x800a0007 Windows Update Error

      0x800a0007 Windows Update Error

      Even though it might be alarming to see “0x800a0007 Windows Update Error” on one’s computer, it is quite easy to repair. Computer users receive this error message for various reasons, especially when trying to update software. Some common reasons for receiving the 0x800a0007 Windows Update Error are incorrect settings in Secure Socket Layers (SSL), incorrect

    • Implementing IAS

      Implementing IAS

      Internet Authentication Service (IAS) Overview In most organizations that have multiple network access servers, the centralization of authentication and accounting of connections being established at a centralized server is the better approach than each network access server performing authentication and accounting services. The Remote Authentication Dial-In User Service (RADIUS) protocol is the recognized protocol for

    • DHCP Leasing

      DHCP Leasing

      An Overview of DHCP In TCP/IP based networks, a unique IP address must be assigned to each computer. An IP address is a unique numeric identifier that identifies computers on the network. The Dynamic Host Configuration Protocol (DHCP) is a service that can be implemented to automatically assign unique IP addresses to DHCP clients. DHCP

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