My mac notebook has become slow and often crashes. Are solutions like cleanmymac software from macaw.com safe and reliable?
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You shouldn't use those type of programmes because they can damage OS X. When your Mac is slow, open Activity Monitor, go to File > Save, open the file and copy its content here. Also, open Disk Utility and verify the drive
Don't use any of those third-party 'cleaning' apps - they can do more harm that good.
ds store has two excellent user tips which you should read:
Why is my computer slow?
Step by Step to fix your Mac
...read them and follow directions in the latter if they apply to you.
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