what is rerext.dll fill on my pc how can I remove it is it a good fills norton worned me from this fill please

Based on Internet searches, I found no article describing this dll file. It may be created by a malware program. Please perform a full scan to remove malware programs. You can use Microsoft Security Essentials to perform that. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration