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First, press CTRL+D to access your "Normal Edit Tool" then click on the little square next to the Track Number at the left of the timeline pictured here: http://img541.imageshack.us/img541/8922/maxtrack.j...

in case you have abode abode windows xp attempt disabling the builtin xp video media thumbnail percentpreviewer. i are huge wakeful of it sounds dumb yet this undertaking is somewhat evil. it is going to freeze or crash pc if it sees even purely one checklist it does no longer have confidence and somewhat situations crash it even on startup. it is going to crash mutually as messing with movies additionally and beginning off folders with movies or maybe mutually as collaborating in movies. as devoid of delay via fact it somewhat is disabled it is going to now now no longer freeze pc and you will in no way get that video checklist in use message or checklist won't be able to be deleted or moved ever decrease back. you will actually lose skill to preview video thumbnail %. in folders, it won't impression something and could be re-enabled whenever you like it to be. ideal this is how, DISABLE - click start up - click run - kind in cmd and click ok - kind in regsvr32 /u shmedia.dll then press enter and it is going to be effective. (you will possibly be able to reproduction and paste that command in purely like it somewhat is.) Re-enable - click start up - run - kind in cmd and click ok - kind in regsvr32 shmedia.dll then press enter and it is going to effectively re-enable media thumbnail viewer. (you will possibly be able to reproduction and paste that command in purely like it somewhat is.) i wish this helps you out. good fulfillment!