Category: Knowledgebase

What Does DNSChanger Do to My Computer?

DNSChanger malware causes a computer to use rogue DNS servers in one of two ways. First, it changes the computer’s DNS server settings to replace the ISP’s good DNS servers with rogue DNS servers operated by the criminal. Second, it attempts to access devices on the victim’s small office/home office (SOHO) network that run a…
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Subnet Masks and Subnets

Subnet Masks and Subnets: notation resulting subnet netmask shorthand number of addresses 255.255.255.0 /24 [8-bit] 28 = 256 = 254 hosts + 1 bcast + 1 net base 255.255.255.128 /25 [7-bit] 27 = 128 = 126 hosts + 1 bcast + 1 net base 255.255.255.192 /26 [6-bit] 26 = 64 = 62 hosts + 1…
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Email Signature in Outlook 2003

Create an Email Signature in Outlook How to create an email signature in Outlook 2003: Select Tools | Options… from the menu in Outlook Go to the Mail Format tab Click Signatures… under Signatures Click New or select an existing one  

Network Scanning Software

http://www.nirsoft.net/utils/wireless_network_watcher.html Running some type of network scanning software is essential. As more and more devices are added to our local networks, it becomes increasingly difficult to keep track of the various routers, access points, gaming consoles, printers and other networked devices. The Wireless Network Watcher takes care of that by quickly scanning your network for…
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Solution: wv4_disp.dll blue screen error problem

wv4_disp.dll blue screen error problem solution Nvidia Video card fan had failed.  Replaced video card and problem was solved.

Microsoft Outlook 365 Tips and Tricks

Outlook signature error, a file error occured fix

End user could not setup a signature in Outlook 2007 on a Windows 7 computer. In outlook under tool/options and mail format tab. Under Signatures button I click new in the signature pain. Name the file. Click Ok and get the following pop up Microsoft office outlook A file error has occured (C:\Users\Insert Name\…\signature.htm To…
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