You're going to have to be more specific in terms of OS and SourceTree version.
If you are on Windows 7 x64 running Sourcetree 1.6.x, vote up and watch this thread and this thread, and post on them only if you have any new information. It's much more helpful to have one thread with lots of information, then 20 "its slow plz fix" questions.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.