Mac mini freezes on start up?? ANY SUGEGSTIONS??

My mac mini seems to freeze as it's starting up. The power comes on, I hear the start up chime, and it goes to the screen with the apple sign and the loading circle, but then it just freezes and won't move on from there.
I've tried turning the power on, while holding the command, alt, p and r keys, which I read on another forum, but that didn't do anything.
Does anyone have anyone suggestions?? Thanks!

When Disk Utility reports 'error on exit in a situation such as that, it means there are errors on the drive it cannot repair. Occasionally (very rarely) running the Repair Disk task again will complete the repair successfully, so that's worth doing just in case. Typically however at that point you basically have two options: either buy a third-party disk utility such as Alsoft's DiskWarrior and attempt a repair to the drive and data structure that way, or perform a full 'erase and install' of MacOS using the original MacOS installer that came with the system, or a full retail MacOS installer issues subsequent to the release of the specific Mac model you're using (meaning you can't generally use a MacOS installer which pre dates the system).
Since the latter option involves reformatting the drive, it should only be done once any and all critical data has been backed up or recovered from the drive - though in the event of many of these type of errors, data on the drive can be significantly corrupt, and so recovery may not yield much in the way of positive results.
A copy of DiskWarrior (or Tech Tools Pro) will cost around $100. If you can't afford that and either don't need any data already saved on the drive or have a backup, then by returning to the MacOS installer screen, you can select erase and install by clicking the customize option. Since this process reformats the drive, it basically wipes the error Disk Utility couldn't fix and returns the mini to the same condition it was when it came out of the box, so you'll then go through the initial setup screens again.

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    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: iTunesHelper
    com.apple.message.signature2: com.apple.iTunesHelper ||| 11.1.3 (11.1.3)
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    com.apple.message.value2: 0
    com.apple.message.value3: 1
    com.apple.message.value4: 0
    com.apple.message.value5: 0
    com.apple.message.value6: 0
    com.apple.message.value7: 0
    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: UserEventAgent
    com.apple.message.signature2: UNBUNDLED ||| ???
    com.apple.message.summarize: YES
    com.apple.message.value: 2069
    com.apple.message.value2: 0
    com.apple.message.value3: 1
    com.apple.message.value4: 0
    com.apple.message.value5: 0
    com.apple.message.value6: 0
    com.apple.message.value7: 0
    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: AirPlayUIAgent
    com.apple.message.signature2: com.apple.AirPlayUIAgent ||| 1.9 (190.4)
    com.apple.message.summarize: YES
    com.apple.message.value: 2098
    com.apple.message.value2: 0
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    com.apple.message.value4: 0
    com.apple.message.value5: 0
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    com.apple.message.value7: 0
    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: SystemUIServer
    com.apple.message.signature2: com.apple.systemuiserver ||| 1.7 (395)
    com.apple.message.summarize: YES
    com.apple.message.value: 2100
    com.apple.message.value2: 0
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    com.apple.message.value4: 0
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    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
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    com.apple.message.signature: Mail
    com.apple.message.signature2: com.apple.mail ||| 7.1 (1827)
    com.apple.message.summarize: YES
    com.apple.message.value: 2089
    com.apple.message.value2: 1
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    com.apple.message.value4: 0
    com.apple.message.value5: 1
    com.apple.message.value6: 1
    com.apple.message.value7: 301
    PID: 172
    ReadGID: 80
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    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: YES
    com.apple.message.signature: Preview
    com.apple.message.signature2: com.apple.Preview ||| 7.0 (826)
    com.apple.message.summarize: YES
    com.apple.message.value: 589
    com.apple.message.value2: 322
    com.apple.message.value3: 1
    com.apple.message.value4: 1
    com.apple.message.value5: 4
    com.apple.message.value6: 2
    com.apple.message.value7: 523
    PID: 172
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 09:03:46 -0600
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    com.apple.message.signature: VLC
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    com.apple.message.summarize: YES
    com.apple.message.value: 730
    com.apple.message.value2: 574
    com.apple.message.value3: 1
    com.apple.message.value4: 0
    com.apple.message.value5: 24
    com.apple.message.value6: 1
    com.apple.message.value7: 730
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    com.apple.message.value3: 1
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    com.apple.message.value6: 0
    com.apple.message.value7: 0
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    Time: 2013-12-26 11:42:21 -0600
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    com.apple.message.value: 1.226
    PID: 178
    ReadGID: 80
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    Time: 2013-12-26 11:42:22 -0600
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    com.apple.message.summarize: YES
    com.apple.message.value: 2.95
    PID: 204
    ReadGID: 80
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    Time: 2013-12-26 13:17:23 -0600
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    com.apple.message.signature: screensaverengine quit
    com.apple.message.signature2: Flurry
    com.apple.message.summarize: YES
    PID: 39
    ReadGID: 80
    Sender: loginwindow
    Sender_Mach_UUID: 48A93A57-9D42-3F58-9D1D-31560B8DECAB
    Time: 2013-12-26 14:35:40 -0600
    com.apple.message.domain: com.apple.screensaverengine.screensaverexit
    com.apple.message.signature: screensaverengine quit
    com.apple.message.signature2: Flurry
    com.apple.message.summarize: YES
    PID: 248
    ReadGID: 80
    Sender: storeagent
    Sender_Mach_UUID: 621CFA06-8D7D-3AB1-A41F-5E88039B1E1D
    Time: 2013-12-26 14:42:20 -0600
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    com.apple.message.domain: com.apple.MacAppStore.staging
    com.apple.message.power_state: on
    Message: assessment granted for IMG_2338.MOV by _XProtect
    PID: 874
    ReadGID: 80
    Sender: syspolicyd
    Sender_Mach_UUID: BC330C6C-6EE6-3B62-82ED-B751D5317E0D
    Time: 2013-12-26 14:58:22 -0600
    com.apple.message.domain: com.apple.security.assessment.outcome2
    com.apple.message.signature: granted:_XProtect
    com.apple.message.signature2: bundle:UNBUNDLED
    com.apple.message.signature3: IMG_2338.MOV
    com.apple.message.signature4: 3
    com.apple.message.signature5: UNKNOWN
    Message: assessment granted for IMG_2896.MOV by _XProtect
    PID: 874
    ReadGID: 80
    Sender: syspolicyd
    Sender_Mach_UUID: BC330C6C-6EE6-3B62-82ED-B751D5317E0D
    Time: 2013-12-26 14:58:55 -0600
    com.apple.message.domain: com.apple.security.assessment.outcome2
    com.apple.message.signature: granted:_XProtect
    com.apple.message.signature2: bundle:UNBUNDLED
    com.apple.message.signature3: IMG_2896.MOV
    com.apple.message.signature4: 3
    com.apple.message.signature5: UNKNOWN
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.activetime
    com.apple.message.summarize: YES
    com.apple.message.value: 12093
    com.apple.message.value2: 7529
    com.apple.message.value4: 4
    com.apple.message.value5: 5
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
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    com.apple.message.signature2: se.propellerheads.reason ||| 4.0 (4.0)
    com.apple.message.summarize: YES
    com.apple.message.value: 1426
    com.apple.message.value2: 710
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: com.apple.internetaccounts
    com.apple.message.signature2: com.apple.internetaccounts ||| 1.0 (1)
    com.apple.message.summarize: YES
    com.apple.message.value: 12087
    com.apple.message.value2: 0
    com.apple.message.value3: 1
    com.apple.message.value4: 0
    com.apple.message.value5: 0
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    com.apple.message.value7: 0
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: YES
    com.apple.message.signature: Safari
    com.apple.message.signature2: com.apple.Safari ||| 7.0.1 (9537.73.11)
    com.apple.message.summarize: YES
    com.apple.message.value: 12067
    com.apple.message.value2: 659
    com.apple.message.value3: 1
    com.apple.message.value4: 0
    com.apple.message.value5: 9
    com.apple.message.value6: 3
    com.apple.message.value7: 2462
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: NotificationCenter
    com.apple.message.signature2: com.apple.notificationcenterui ||| 1.0 (222)
    com.apple.message.summarize: YES
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    com.apple.message.value2: 0
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    com.apple.message.value5: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: loginwindow
    com.apple.message.signature2: com.apple.loginwindow ||| 9.0 (9.0)
    com.apple.message.summarize: YES
    com.apple.message.value: 12093
    com.apple.message.value2: 0
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    com.apple.message.value5: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: ScreenSaverEngine
    com.apple.message.signature2: com.apple.ScreenSaver.Engine ||| 5.0 (5.0)
    com.apple.message.summarize: YES
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    com.apple.message.value2: 0
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    com.apple.message.value4: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: YES
    com.apple.message.signature: Logic Pro
    com.apple.message.signature2: com.apple.logic.pro ||| 9.1.8 (1700.67)
    com.apple.message.summarize: YES
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    com.apple.message.value2: 2287
    com.apple.message.value3: 1
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: com.apple.WebKit.WebContent
    com.apple.message.signature2: com.apple.WebKit.WebContent ||| 9537 (9537.73.11)
    com.apple.message.summarize: YES
    com.apple.message.value: 818
    com.apple.message.value2: 0
    com.apple.message.value3: 38
    com.apple.message.value4: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
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    com.apple.message.signature2: com.apple.finder ||| 10.9.1 (10.9.1)
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: talagent
    com.apple.message.signature2: com.apple.talagent ||| ???
    com.apple.message.summarize: YES
    com.apple.message.value: 16
    com.apple.message.value2: 0
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    com.apple.message.value4: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: CoreServicesUIAgent
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    com.apple.message.summarize: YES
    com.apple.message.value: 60
    com.apple.message.value2: 0
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    com.apple.message.value4: 0
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    com.apple.message.value6: 0
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    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: universalaccessd
    com.apple.message.signature2: UNBUNDLED ||| ???
    com.apple.message.summarize: YES
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    com.apple.message.value2: 0
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    com.apple.message.value4: 0
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    com.apple.message.value6: 0
    com.apple.message.value7: 0
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
    com.apple.message.signature: Dock
    com.apple.message.signature2: com.apple.dock ||| 1.8 (1314)
    com.apple.message.summarize: YES
    com.apple.message.value: 12093
    com.apple.message.value2: 0
    com.apple.message.value3: 1
    com.apple.message.value4: 0
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    com.apple.message.value7: 0
    PID: 169
    ReadGID: 80
    Sender: UserEventAgent
    Sender_Mach_UUID: 55428B1C-9198-32BF-80EA-4731081F402E
    Time: 2013-12-26 15:03:52 -0600
    com.apple.message.domain: com.apple.usage.app_activetime
    com.apple.message.result: NO
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    com.apple.message.value2: 0
    com.apple.message.value3: 5
    com.apple.message.value4: 0
    com.apple.message.value5: 0
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    Message was edited by: Boece

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