Ho aggiornato da una settimana e da ancora problemi.
Di seguito EtreCheck.
Grazie
EtreCheck version: 3.4.6 (460)
Report generated 2017-10-09 09:23:53
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https://etrecheck.com" onclick="window.open(this.href);return false;
Runtime: 8:31
Performance: Below Average
Click the [Lookup] links for more information from Apple Support Communities.
Click the [Details] links for more information about that line.
Click the [Clean up] link to delete unused files.
Problem: Computer is too slow
Hardware Information: ⓘ
iMac (21.5-inch, Mid 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac12,1
1 2,5 GHz Intel Core i5 (i5-2400S) CPU: 4-core
4 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
BANK 0/DIMM1
Empty
BANK 1/DIMM1
Empty
Handoff/Airdrop2: not supported
Wireless: en1: 802.11 a/b/g/n
iCloud Quota: 4.56 GB available
Video Information: ⓘ
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
Disk Information: ⓘ
WDC WD5000AAKS-402AA0 disk0: (500,11 GB) (Rotational)
[Show SMART report]
EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB
Macintosh HD (disk0s2 - Journaled HFS+) / [Startup]: 499.25 GB (141.49 GB free)
(disk0s3) <not mounted> [Recovery]: 650 MB
HL-DT-STDVDRW GA32N ()
USB Information: ⓘ
USB20Bus
hub_device
Apple Computer, Inc. IR Receiver
Apple Internal Memory Card Reader
USB20Bus
Apple Inc. FaceTime HD Camera (Built-in)
hub_device
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
System Software: ⓘ
macOS High Sierra 10.13 (17A365) - Time since boot: about one hour
Configuration files: ⓘ
/etc/sudoers, File size 2338 but expected 1563
Gatekeeper: ⓘ
Mac App Store and identified developers
Clean up: ⓘ
com.adobe.ARM.[...].plist
/Applications/Adobe Reader.app/Contents/MacOS/Updater/Adobe Reader Updater Helper.app/Contents/MacOS/Adobe Reader Updater Helper semi-auto
Executable not found!
One orphan file found. [Clean up]
System Launch Agents: ⓘ
[not loaded] 9 Apple tasks
[loaded] 169 Apple tasks
[running] 110 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 30 Apple tasks
[loaded] 188 Apple tasks
[running] 112 Apple tasks
Launch Agents: ⓘ
[loaded] com.oracle.java.Java-Updater.plist (? 457ce37b 72ac4dde - installed 2017-10-02) [Lookup]
Launch Daemons: ⓘ
[loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2015-12-04) [Lookup]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2015-12-04) [Lookup]
[loaded] com.adobe.fpsaud.plist (? 2afb3af7 4898e928 - installed 2017-08-29) [Lookup]
[not loaded] com.apple.installer.cleanupinstaller.plist (? 1963bf56 0 - installed 2017-10-02)
[running] com.aruba.hidswitch.plist (? ad9f44d5 f297f0e9 - installed 2016-04-14) [Lookup]
[loaded] com.malwarebytes.HelperTool.plist (Malwarebytes Corporation - installed 2017-03-17) [Lookup]
[loaded] com.oracle.java.Helper-Tool.plist (Shell Script e3fefdd2 - installed 2017-10-02) [Lookup]
User Launch Agents: ⓘ
[failed] com.adobe.ARM.[...].plist (? 560d19c8 0 - installed 2015-12-04) [Lookup] - /Applications/Adobe Reader.app/Contents/MacOS/Updater/Adobe Reader Updater Helper.app/Contents/MacOS/Adobe Reader Updater Helper: Executable not found!
[loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2017-07-10) [Lookup]
[running] com.spotify.webhelper.plist (Spotify - installed 2017-10-06) [Lookup]
Internet Plug-ins: ⓘ
AdobePDFViewerNPAPI: 15.017.20053 (installed 2016-09-05) [Lookup]
FlashPlayer-10.6: 27.0.0.130 (installed 2017-09-13) [Lookup]
QuickTime Plugin: 7.7.3 (installed 2017-09-21)
AdobePDFViewer: 15.017.20053 (installed 2016-09-05) [Lookup]
Flash Player: 27.0.0.130 (installed 2017-09-13) [Lookup]
JavaAppletPlugin: Java 8 Update 144 build 01 (installed 2017-10-02) Check version
3rd Party Preference Panes: ⓘ
Flash Player (installed 2017-08-29) [Lookup]
Java (installed 2017-10-02) [Lookup]
Time Machine: ⓘ
Skip System Files: NO
Mobile backups: OFF
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 357.75 GB
Destinations:
Elements [Local]
Total size: 999.86 GB
Total number of backups: 4
Oldest backup: 22/09/16, 00:54
Last backup: 07/09/17, 09:53
Size of backup disk: Too small
Backup size 999.86 GB < (Disk used 357.75 GB X 3)
Top Processes by CPU: ⓘ
31% Mail
9% WindowServer
3% com.apple.WebKit.WebContent
3% mdworker
3% kernel_task
Top Processes by Memory: ⓘ
492 MB kernel_task
272 MB Mail
236 MB mds_stores
162 MB com.apple.WebKit.WebContent
94 MB suggestd
Top Processes by Network Use: ⓘ
Input Output Process name
13 MB 293 KB Mail
367 KB 298 KB mDNSResponder
54 KB 6 KB com.apple.WebKit.Networking
7 KB 9 KB apsd
10 KB 3 KB netbiosd
Top Processes by Energy Use: ⓘ
40.94 Mail
11.12 WindowServer
3.34 com.apple.WebKit.WebContent
2.04 mds_stores
Virtual Memory Information: ⓘ
1.02 GB Available RAM
16 MB Free RAM
2.98 GB Used RAM
1.00 GB Cached files
0 B Swap Used
Software installs (last 30 days): ⓘ
Adobe Flash Player: (installed 2017-09-13)
The Unarchiver: 3.11.2 (installed 2017-09-13)
The Unarchiver: 3.11.3 (installed 2017-09-19)
Parcel: 3.0.1 (installed 2017-09-22)
Airmail: 3.5 (installed 2017-10-02)
Magnet: 2.1.0 (installed 2017-10-02)
Magnet: 2.1.0 (installed 2017-10-02)
Magnet: 2.1.0 (installed 2017-10-02)
Magnet: 2.1.0 (installed 2017-10-02)
Java 8 Update 144: (installed 2017-10-02)
JDK 8 Update 144: (installed 2017-10-02)
Install information may not be complete.