Invalid URL

The requested URL "http://%5bNo%20Host%5d/forums/tags/Avid+Media+Composer/avid+5.0.3/OS+X+10.6/mediadia+composer+5+mac/Old+Quick+Time/beginner/academic/help/drop+frame/default.aspx?", is invalid.

Reference #9.ce1dd17.1711663120.f9f5f6

https://errors.edgesuite.net/9.ce1dd17.1711663120.f9f5f6