Domain Name System (DNS) is one of the system servers that is used to translate the domain name in the IP address. In the DNS system is used to handle the working of the Internet connection. And when the DNS lookup fails then it simply means that user would become unable to connect to the specific website. This happens due to many reasons.
This does not always happen that problem with DNS always results in error message to occur, rather it might also get the form of some other symptoms like: User faces inability to access IP address, inability to log on or might also get slow log on, One becomes unable to join the domain or it also becomes difficult to run logon script.
The Windows operating system automatically place the DNS information in the cache of PC. Cache is very close on the computer and the DNS is used to store negative and positive entries. In this when the information on the Website matches with what is stored in Windows then the connection is successful. But in case the Internet Service Provider unable to update the DNS information. This might also conflict with the information that is stored on the PC thus creating negative entry that results in DNS lookup failed error. On the other hand ISP or cache will be overloaded with negative entries. So this becomes important to resolve DNS lookup failed error as soon as possible.
“DNS Lookup Failed Error” is however is dangerous and needed to fix instantly using automatic fix tool so download this software in order to make PC safe.