Why is iMovie so slow?

I have not used iMovie in a while and recently I opened it up and it took FOREVER to open. Then, when it was finally open, it would give me the little swirling ball of colors. The first time I had to force quit it and it is just very slow. It has become inconvenient seeing as that I can't work on any projects because nothing loads.

Several things can do this
• HD-material takes much more power to be processed
• if Hard Disk is filling up
• lot's of icons on DeskTop (YES strange but reported to matters)
• other processes running in back-ground - energy savers, frame savers, spotligt search, TIME MACHINE, File Vault, etc - I turn all OFF
• Minimum of 25Gb free space on Start-Up hard disk
• No other programs running in BackGround e.g. Energy-Saver
• Don’t let HD spin down or be turned off (in Energy-Save)
• Move hard disks that are not to be used to Trash - To be disconnected/turned off
• Goto Spotlight and set the rest of them under Integrity (not to be scanned)
• Set screen-saver to a folder without any photo - then make an active corner (up right for me) and set pointer to this - turns on screen saver - to show that it has nothing to show
• And let Mac run on Mains - not just on battery
AND - Creating a New User-Account - Log into this - and run iMovie - made my iMovie fast as New and for a specific project with a deadline - then this can help a lot.
Yours Bengt W

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