Calibre takes a couple minutes to launch on my netbook or laptop & even longer to add, convert or save bookds to disk. But I also have over 20,000 books in the library, use a 500 GB external for saving to disk, & tend to do things in bulk. I stopped bitching about it a year ago & just accept it as how the program works with my system, security settings, & personal preferences. I usually start Calibre manually when I start Windows, as I'm almost always converting or adding books. While it goes through whatever it goes through to get going, I check my email, fart around with Facebook, whatever, & when Calibre starts, it starts. No biggie; I just multi-task or else I go batshit waiting for that one program to load!
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