The blue screen appears and everything quits, what's the problem ?

Hello !
I would like to have some help or info. I have a problem that started a few weeks ago. Sometimes, my OS X quits, the screen turns to blue (with the color pinwheel) and then it goes back to the desktop. This problem doesn't only occur with applications. It happened when I threw something in the trash.
I'm using Mac OS 10.2.8 on an iMac DV 400 mhz. I only have 192 mb of RAM. That could be part of the problem.
I've looked in other discussions to find an answer, but I did not really find one. Can someone help me please ?
Thank you !!
iMac DV Mac OS X (10.2.x)

Well, at least you've ruled out some more possibilities.
First, two more pieces of advice: it shouldn't be causing this problem, but under normal circumstances, there is NO reason to power off your computer. An easy way to let it sleep during the day is via System Preferences, Energy Saver. You may also want to use the Desktop & Screen Saver option in System Preferences, if you haven't already.
Second, why are you powering-off your modem at night? As long as you have your firewall on you should be protected. Remember, this is a Mac, NOT a vulnerable Windows machine! (Your firewall is on automatically when you get your Mac. Check the Firewall pane of the Sharing option in System Preferences to be sure.)
OK, on to more possibilities:
Do you have File Vault on? I've never used it, and don't know much about it, but it does sometimes cause problems. If you can, try turning it off temporarily and see if anything changes (System Preferences, Security).
In an earlier post, you said you'd done "most" of the system maintenance things. Your difficulty sounds a bit like it might be a permissions problem. If you haven't repaired permissions, do so.
Are you still having the problem when emptying the trash? If so, do you have more than one user? If not, set one up temporarily. See if the other user(s) have the same problem. If not, the next item is probably true.
Another possibility is a corrupted Finder preferences file. Find the com.apple.finder.plist in your library/preferences folder. Move it to the desktop temporarily, then close all finder windows and re-open one. Now try emptying the trash again.
Are you using the "regular" empty the trash option, or "secure"? Try the other and see if anything changes. Do you use the "warning" before emptying the trash? If not, turn it on temporarily. Now empty the trash and note just where the problem starts ... before or after the warning?

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Here is more of this story:
When I picked up my computer after the disk was replaced, I was told I could do a time machine recovery. After about 6 hours the recovery said it had less than a minute to go and was transferring "your" network settings. at 9 hours it said the same thing.
I rebooted DVD to try to reload MAC OS X but it crashed with "INSTALL FAILED MAC OS X could not be installed on your computer Click restart and try again"
I did but it would not boot.
I reloaded the disk utility and and it showed no problems but the next OS X install failed (hung).
I then wrote zeros to all the disk (could not find a reformat command). This went tith out error.
I restarted the OSX install and it appeared to work.
I started the install from time machine again and it hung in the same place. (less than a minute remaining. The completion bar had a sliver of white at the end but was mostly blue)

It just means it's hungup just before completing, we can get more info with Verbose boot...
CMD+v keys on bootup...
http://support.apple.com/kb/HT1492

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I installed Yosemite and now my computer is slow when logging in. Also when I type my password, a bar appears measuring the process and then all of a sudden the screen images are distorted. After that my home screen appears and everything seems normal. What can I do to fix this?
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Problem description:
slow at start up, screen is distorted while logging in, it is fine after
EtreCheck version: 2.1.8 (121)
Report generated April 5, 2015 at 9:42:01 AM PDT
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    MacBook Pro (13-inch, Early 2011) (Technical Specifications)
    MacBook Pro - model: MacBookPro8,1
    1 2.3 GHz Intel Core i5 CPU: 2-core
    4 GB RAM Upgradeable
        BANK 0/DIMM0
            2 GB DDR3 1333 MHz ok
        BANK 1/DIMM0
            2 GB DDR3 1333 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless: en1: 802.11 a/b/g/n
    Battery Health: Normal - Cycle count 297
Video Information: ℹ️
    Intel HD Graphics 3000 - VRAM: 384 MB
        Color LCD 1280 x 800
System Software: ℹ️
    OS X 10.10.2 (14C109) - Time since boot: 0:7:0
Disk Information: ℹ️
    Hitachi HTS545032B9A302 disk0 : (320.07 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        Macintosh HD (disk1) / : 318.84 GB (174.85 GB free)
            Encrypted AES-XTS Unlocked
            Core Storage: disk0s2 319.21 GB Online
    MATSHITADVD-R   UJ-898
USB Information: ℹ️
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Inc. BRCM2070 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. FaceTime HD Camera (Built-in)
    Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
Kernel Extensions: ℹ️
        /System/Library/Extensions
    [not loaded]    com.devguru.driver.SamsungComposite (1.1.0) [Click for support]
    [not loaded]    com.logmein.driver.LogMeInSoundDriver (1.0.3 - SDK 10.5) [Click for support]
        /System/Library/Extensions/ssuddrv.kext/Contents/PlugIns
    [not loaded]    com.devguru.driver.SamsungACMControl (1.1.0) [Click for support]
    [not loaded]    com.devguru.driver.SamsungACMData (1.1.0) [Click for support]
Startup Items: ℹ️
    HP Trap Monitor: Path: /Library/StartupItems/HP Trap Monitor
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Problem System Launch Daemons: ℹ️
    [failed]    com.apple.ucupdate.plist
    [failed]    com.apple.watchdogd.plist [Click for details]
Launch Agents: ℹ️
    [not loaded]    com.google.keystone.agent.plist [Click for support]
    [not loaded]    com.hp.help.tocgenerator.plist [Click for support]
    [not loaded]    com.logmein.LMILaunchAgentFixer.plist [Click for support]
    [not loaded]    com.logmein.logmeingui.plist [Click for support]
    [not loaded]    com.logmein.logmeinguiagent.plist [Click for support]
    [not loaded]    com.logmein.logmeinguiagentatlogin.plist [Click for support]
Launch Daemons: ℹ️
    [not loaded]    com.adobe.fpsaud.plist [Click for support]
    [not loaded]    com.google.keystone.daemon.plist [Click for support]
    [not loaded]    com.logmein.logmeinblanker.plist [Click for support]
    [not loaded]    com.logmein.logmeinserver.plist [Click for support]
    [not loaded]    com.logmein.raupdate.plist [Click for support]
    [not loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
User Launch Agents: ℹ️
    [not loaded]    com.adobe.ARM.[...].plist [Click for support]
    [not loaded]    com.facebook.videochat.[redacted].plist [Click for support]
    [not loaded]    com.google.GoogleContactSyncAgent.plist [Click for support]
User Login Items: ℹ️
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    AdobeResourceSynchronizer    Application Hidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
    Android File Transfer Agent    Application (/Users/[redacted]/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)
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    o1dbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
    LogMeInSafari64: Version: 1.0.660 [Click for support]
    Default Browser: Version: 600 - SDK 10.10
    Silverlight: Version: 5.1.10411.0 - SDK 10.6 [Click for support]
    FlashPlayer-10.6: Version: 17.0.0.134 - SDK 10.6 [Click for support]
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    Flash Player: Version: 17.0.0.134 - SDK 10.6 [Click for support]
    LogMeInSafari32: Version: 1.0.660 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    googletalkbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
    AdobePDFViewer: Version: 10.0.1 [Click for support]
    SharePointBrowserPlugin: Version: 14.1.0 [Click for support]
    iPhotoPhotocast: Version: 7.0 - SDK 10.7
3rd Party Preference Panes: ℹ️
    Flash Player [Click for support]
Time Machine: ℹ️
    Time Machine not configured!
Top Processes by CPU: ℹ️
         7%    ocspd
         4%    WindowServer
         1%    kextd
         0%    ps
         0%    securityd
Top Processes by Memory: ℹ️
    137 MB    Microsoft Word
    120 MB    Safari
    86 MB    ocspd
    82 MB    CalendarAgent
    77 MB    WindowServer
Virtual Memory Information: ℹ️
    310 MB    Free RAM
    1.89 GB    Active RAM
    1.55 GB    Inactive RAM
    544 MB    Wired RAM
    1.13 GB    Page-ins
    8 KB    Page-outs
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Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
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Reinstall OS X: Select Reinstall OS X and click on the Continue button.
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Alternatively, see:
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Choose the version you have installed now:
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reboot
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Solved!
Go to Solution.

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