wifi impazzita

un saluto a tutto lo staff ho un problema con il mio iMac di fine 2013 (avendo gia fatto varie prove e cambiato il router ) premetto che in questi giorni stavo provando alcune app.prese qua e la
adesso se tengo il Mac acceso la wifi non funziona (pc mac portatile Ipad miniIpad Iphone) se spengo il mac la wifi funziona
con il mac acceso a volte vedo la wifi e inserendo la pass mi dice pass non valida e a volte a dirittura no vedo la wifi
la pass e giusta (spegnendo il mac entra perfettamente in automatico)
qualcuno per favore puo darmi una mano grazie

SPERO CHE QUESTO POSSA SERVIRE ,IO PERO NON CI CAPISCO UN GRAN CHE GRAZIE PER LA VOSTRA COLLABORAZIONE
EtreCheck version: 2.9.13 (267)
Report generated 2016-07-21 10:13:59
Download EtreCheck from https://etrecheck.com
Runtime 3:51
Performance: Good

Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Remove] links to remove adware.

Problem: Computer is too slow

Hardware Information: ⓘ
iMac (27-inch, Late 2013)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac14,2
1 3,4 GHz Intel Core i5 CPU: 4-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
BANK 0/DIMM1
4 GB DDR3 1600 MHz ok
BANK 1/DIMM1
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en1: 802.11 a/b/g/n/ac

Video Information: ⓘ
NVIDIA GeForce GTX 775M - VRAM: 2048 MB
iMac 2560 x 1440

System Software: ⓘ
OS X El Capitan 10.11.6 (15G31) - Time since boot: about one day

Disk Information: ⓘ
APPLE HDD ST1000DM003 disk0 : (1 TB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 999.35 GB (726.60 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB

USB Information: ⓘ
GenesysLogic USB3.0 Hub
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. FaceTime HD Camera (Built-in)
GenesysLogic USB2.0 Hub
Elgato EyeTV Diversity

Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus

Gatekeeper: ⓘ
Mac App Store and identified developers

Adware: ⓘ
/Library/LaunchDaemons/com.sellaiteUpd.plist
One adware file found. [Remove]

Kernel Extensions: ⓘ
/Library/Application Support/com.adguard.Adguard/kext
[not loaded] com.adguard.nfext (1.0.4 - SDK 10.11 - 2016-07-03) [Support]

/System/Library/Extensions
[not loaded] com.dvdfab.kext.fabio (1.0 - 2016-07-19) [Support]
[not loaded] com.elgato.driver.DontMatchAfaTech (1.1 - 2016-07-19) [Support]
[not loaded] com.elgato.driver.DontMatchCinergy450 (1.1 - 2016-07-19) [Support]
[not loaded] com.elgato.driver.DontMatchCinergyXS (1.1 - 2016-07-19) [Support]
[not loaded] com.elgato.driver.DontMatchEmpia (1.1 - 2016-07-19) [Support]
[not loaded] com.elgato.driver.DontMatchVoyager (1.1 - 2016-07-19) [Support]

~/Library/Services/ToastIt.service/Contents/MacOS
[not loaded] com.roxio.TDIXController (2.0 - 2015-08-31) [Support]

Startup Items: ⓘ
TuxeraNTFSUnmountHelper: Path: /Library/StartupItems/TuxeraNTFSUnmountHelper
Startup items are obsolete in OS X Yosemite

System Launch Agents: ⓘ
[running] com.paragon.NTFS.notify.plist (2014-10-16) [Support]
[not loaded] 6 Apple tasks
[loaded] 157 Apple tasks
[running] 75 Apple tasks

System Launch Daemons: ⓘ
[not loaded] 47 Apple tasks
[loaded] 156 Apple tasks
[running] 87 Apple tasks

Launch Agents: ⓘ
[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a...plist (2016-07-14) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
[running] com.micromat.TechToolProAgent.plist (2016-07-15) [Support]
[loaded] com.paragon.updater.plist (2014-10-16) [Support]
[loaded] org.macosforge.xquartz.startx.plist (2014-08-11) [Support]

Launch Daemons: ⓘ
[loaded] com.adobe.ARMDC.Communicator.plist (2016-07-14) [Support]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-07-14) [Support]
[failed] com.adobe.fpsaud.plist (2016-06-13) [Support]
[not loaded] com.apple.ertur.plist (2016-07-14) - Executable not found!
[loaded] com.google.keystone.daemon.plist (2016-07-12) [Support]
[loaded] com.malwarebytes.HelperTool.plist (2016-07-14) [Support]
[running] com.micromat.TechToolProDaemon.plist (2016-07-15) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-10-28) [Support]
[not loaded] com.sellaiteUpd.plist (2016-07-14) Adware! [Remove]
[loaded] org.macosforge.xquartz.privileged_startx.plist (2014-08-11) [Support]

User Launch Agents: ⓘ
[running] com.pcv.hlpramcn.plist (2016-07-17) [Support]

User Login Items: ⓘ
iTunesHelper Aplicación (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
EyeTV Helper Aplicación (/Library/Application Support/EyeTV/EyeTV Helper.app)
Mail Aplicación (/Applications/Mail.app)
TomTomHOMERunner Aplicación (~/Library/Application Support/TomTom HOME/TomTomHOMERunner.app)

Other Apps: ⓘ
[running] com.bittorrent.uTorrent.8992
[running] com.elgato.eyetvhelper.81312
[running] com.google.Chrome.132192
[running] com.skype.skype.190432
[running] com.tomtom.HOMERunnerApp.81632
[loaded] com.vinnov.LivingWeatherHDHelper
[running] org.jdownloader.launcher.137952
[running] org.videolan.vlc.63392
[loaded] sellaiteUpd.plist
[loaded] 406 Apple tasks
[running] 194 Apple tasks

Internet Plug-ins: ⓘ
FlashPlayer-10.6: 22.0.0.192 - SDK 10.9 (2016-07-05) [Support]
QuickTime Plugin: 7.7.3 (2016-07-19)
AdobePDFViewerNPAPI: 15.007.20033 - SDK 10.8 (2015-03-17) [Support]
AdobePDFViewer: 15.007.20033 - SDK 10.8 (2015-03-17) [Support]
Flash Player: 22.0.0.192 - SDK 10.9 (2016-07-05) Outdated! Update
Default Browser: 601 - SDK 10.11 (2016-07-19)
SharePointBrowserPlugin: 14.6.5 - SDK 10.6 (2016-06-20) [Support]
Google Earth Web Plug-in: 7.1 (2016-07-05) [Support]

Safari Extensions: ⓘ
Search Genius - Search Genius (2016-07-17)

3rd Party Preference Panes: ⓘ
Flash Player (2016-06-13) [Support]
Paragon NTFS for Mac ® OS X (2016-02-27) [Support]
TechTool Protection (2016-07-15) [Support]
Tuxera NTFS (2016-07-15) [Support]

Time Machine: ⓘ
Skip System Files: NO
Mobile backups: OFF
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Macintosh HD: Disk size: 999.35 GB Disk used: 272.75 GB
Destinations:
MAC [Local]
Total size: 499.76 GB
Total number of backups: 1
Oldest backup: 27/6/16 16:09
Last backup: 27/6/16 16:09
Size of backup disk: Too small
Backup size 499.76 GB < (Disk used 272.75 GB X 3)

Top Processes by CPU: ⓘ
2% kernel_task
2% uTorrent
1% Google Chrome Helper(2)
0% JavaApplicationStub
0% cloudpaird

Top Processes by Memory: ⓘ
1.18 GB kernel_task
492 MB softwareupdated
344 MB JavaApplicationStub
295 MB Skype
262 MB Google Chrome Helper(2)

Virtual Memory Information: ⓘ
9.43 GB Free RAM
6.57 GB Used RAM (3.04 GB Cached)
0 B Swap Used

Diagnostics Information: ⓘ
Jul 20, 2016, 03:16:49 PM Self test - passed
Jul 18, 2016, 09:28:04 PM ~/Library/Logs/DiagnosticReports/MacX DVD Video Converter Pro Pack - DVD Ripper Pro_2016-07-18-212804_[redacted].crash
com.macxdvd.dvdripperpackpro - /Applications/MacX DVD Video Converter Pro Pack.app/Contents/Resources/MacX DVD Video Converter Pro Pack - DVD Ripper Pro.app/Contents/MacOS/MacX DVD Video Converter Pro Pack - DVD Ripper Pro
Jul 18, 2016, 09:27:09 PM ~/Library/Logs/DiagnosticReports/MacX DVD Video Converter Pro Pack - DVD Ripper Pro_2016-07-18-212709_[redacted].crash
Jul 18, 2016, 04:44:19 PM /Library/Logs/DiagnosticReports/Living Weather HD_2016-07-18-164419_[redacted].hang
/Applications/LivWea303/*/Living Weather HD.app/Contents/MacOS/Living Weather HD
Jul 18, 2016, 03:49:12 PM /Library/Logs/DiagnosticReports/Living Weather HD_2016-07-18-154912_[redacted].hang