Q: I've recently came across an application called "CleanMyMac 3". Should I use it? Has anyone has experiences with it and if so, how was your experience? Does it really benefit my Mac?

That application shouldn’t be used.

(139814)

No it does not benefit your Mac. Putting AV or Cleaning software on your Mac is never a good idea, and will oftentimes result in degraded performance as well as other problems. You do not need any sort of cleaning software for your Mac. The OS X is designed to keep house on the Mac efficiently, and introducing any software that attempts to override the inherent design of the OS X will inevitably cause issues for you.

Avoid them at all costs. They will try to entice you into using them. They are little better than common scams.

Best of luck,

GB

The Mac cleans itself. Do not use it - it is garbageware.

Cheers,

GB

Unless you need to detect and remove Windows malware without using Windows, see what Gail wrote; if you do, then you need a separate removal tool. Mac OS X cleans itself up, but doesn’t handle Windows malware.

(139816)

Depends on the app and depends on how you uninstall it. Most apps are completely removed by dragging them to the trash. Do you have a specific concern that you would like addressed?

Cheers,

GB

Again, you gain nothing by adding any sort of cleaning software on your Mac. The Mac OS X is designed to do its own house cleaning, and bringing in outside applications will not help you in any way, and will likely harm your system. So, obsessive control over your Mac's processes is not good for you or for your Mac.

Here is a bit from the OS X KeyChain Help:

Keychain Access is an OS X app that stores your passwords and account information and reduces the number of passwords you have to remember and manage.

When you access a website, email account, network server, or other password-protected item, you may be given the option to remember or save the password. If you choose to save the password, it’s saved in your keychain so you don’t have to remember or type your password every time.

Dialog asking if you want Keychain Access to save your password

Because Keychain Access securely stores and retrieves your user names, passwords, and other information, you can make individual passwords more complex and difficult to break. This can make your individual accounts more secure.

Important: To ensure that passwords and other data stored in your keychain are secure, make sure to set up a login password for your computer. For more information, see Change your login password.

You can also store any type of sensitive information in Secure Notes.

You can also use Keychain Access to manage certificates, which are issued by trusted organizations to validate websites, digital documents, and other web-based materials.

Keychain Access window showing main areas

Keychain Access works in collaboration with iCloud keychain, which lets you share keychains with your other devices. iCloud keychains are created and managed using your iCloud account. For more information about iCloud Keychain, see What is iCloud

If you go to your Finder window, and type Keychain in the Search bar, it will display the Keychain Access app. Double click on that to open it, and then click on the Help option in the top menu bar. The Help screens provide detailed information about Keychain and how it works.

Cheers,

GB

This support article should help:

Resetting your keychain in Mac OS X - Apple Support

Cheers,

GB

Sorry, no. This is the only online forum I participate in.

Best of luck,

GB