System Repair Engineer, also called SREng, developed by KZTechs.COM webmaster Smallfrogs. SREng is a security related software and a system maintenance software, the main purpose of SREng is try to detect some common system issues and most common damages caused by Computer Virus. Under the help of System Repair Engineer (SREng), user can detects the most common issues in users computer and repair them by themselves. Beginner user of SREng can use Smart Scan function scan their computer to generate a report log, computer expert can analyze the log and provides some advices. This version is the first release on CNET Download.com.