#SW/AVIDMC-MediaComposer #Trouble *** > [!Tip] AVIDMC - Source Browser > When attempting to relink files of older codecs in *Unmanaged-Linked Media* mode, it may be necessary to navigate to the source files via the Source Browser, and switch AVIDMC's 'Plug-in' to Quicktime. > - Select a range of clips > - Right-Click Plugin-in field > - [ ] Select Appropriate Plug-in > - Autodetect > - QuickTime > - UME Link > > ![[AVIDMCv227 - Source Browser Plug-in Modes.png]]