Avcodec.dll is an important module associated with sightspeed and is specifically used for video conferencing. Avocodec.dll file is required for the stable operation of PC as it being utilized for online audio and video conferencing. In the absence of Avcodec.dll file, user will not able to perform this particular task and therefore, it is required to fix avcodec.dll error immediately. Mostly, Avocodec.dll error when avocodec.dll file is missing damaged or corrupted. Avocodec.dll error occurs when system driver is old or compatible. In this case, you need to replace old driver with newly update version. Registry issues are often related to avocodec.dll error. To repair and rectify registry issues, you can download registry repair tool. Avcodec.dll error also occurs when avcodec.dll file is infected or corrupted by the viruses. In this case, you need to run efficient spyware program to resolve error. By doing so, avcodec.dll error can be fixed easily. For more information: http://www.avcodecdllerrorfix.com/