Spotify is a problem for the Mac OSX update Yosemite 10.10

Hello,
When i downloaded the new update for the Mac: OSX Yosemite 10.10 - my macbook could'nt be shut down anymore.
I've called the Apple helpdesk and we both tried to figure out what was causing this problem. After some tests it seemed that Spotify was the problem of all this. (Something that is called Spotify manager? was failing with the start up of my Mac). 
So i hope this problem can be fixed, because i had to delete Spotify for that my Macbook could work normally again.
And it's ashame, because i can't use Spotify anymore now.
I hope that this will be fixed, so i can enjoy music again.
 

Same here, tried to install first time on 10.10.4, gets a black screen and can't quit app. Looks like this app is not compatible with OSX 10.10 That's awesome, how do you expect Mac users to stick with your company when there is an alternative for the same price. Even more so when your app does not even run properly on OSX updates. Get it fixed, fast or I'm leaving. I'm a premium user, not a freebee. 

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      5. SyncTwoFolders
      6. Synk Pro
      7. Synk Standard
      8. Tri-Backup
    Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
    Additional suggestions will be found in Mac maintenance Quick Assist.
    Referenced software can be found at CNet Downloads or MacUpdate.
    Additional Hints
    Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
    Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
    Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
    Check for applications that may be hogging the CPU:
    Open Activity Monitor in the Utilities folder.  Select All Processes from the Processes dropdown menu.  Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.
    Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file.

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