Thank you very much! Here is the diagnostics:
EtreCheck version: 3.4.6 (460)
Report generated 2017-11-15 19:15:42
Download EtreCheck from https://etrecheck.comRuntime: 2:32
Performance: Excellent
Click the [Lookup] links for more information from Apple Support Communities. Click the [Details] links for more information about that line.
Problem: Other problem Description: Preview app has blurry rendering.
Hardware Information: i MacBook Air (13-inch, Early 2015) [Technical Specifications] - [User Guide] - [Warranty & Service] MacBook Air - model: MacBookAir7,2
1 1,6 GHz Intel Core i5 (i5-5250U) CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Handoff/Airdrop2: supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 105 iCloud Quota: 4.55 GB available
Video Information: i Intel HD Graphics 6000 - VRAM: 1536 MB
Color LCD 1440 x 900
Disk Information: i APPLE SSD SM0128G disk0: (121,33 GB) (Solid State - TRIM: Yes) [Show SMART report]
EFI (disk0s1 - MS-DOS FAT32) <not mounted> [EFI]: 210 MB (disk0s2) <not mounted> [APFS Container]: 121.12 GB
USB Information: i USB30Bus
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: i Apple Inc. thunderbolt_bus
Virtual disks: i Macintosh HD (disk1s1 - APFS) / [Startup]: 121.12 GB (60.71 GB free)
Encrypted: Yes (Unlocked)
Physical disk: disk0s2 121.12 GB (60.71 GB free)
(disk1s2) <not mounted> [Preboot]: 121.12 GB
Physical disk: disk0s2 121.12 GB
(disk1s3) <not mounted> [Recovery]: 121.12 GB
Physical disk: disk0s2 121.12 GB (disk1s4) /private/var/vm [VM]: 121.12 GB
Physical disk: disk0s2 121.12 GB
System Software: i macOS High Sierra 10.13.1 (17B48) - Time since boot: less than an hour
Gatekeeper: i Mac App Store and identified developers
System Launch Agents: i [not loaded] 8 Apple tasks [loaded] 176 Apple tasks [running] 104 Apple tasks
System Launch Daemons: i [not loaded] 36 Apple tasks [loaded] 188 Apple tasks [running] 105 Apple tasks
Launch Daemons: i [loaded] com.adobe.fpsaud.plist (? 2afb3af7 defea098 - installed 2017-10-26) [Lookup] [not loaded] com.apple.installer.cleanupinstaller.plist (? 1963bf56 0 - installed 2017-11-09)
[loaded]
[loaded] [Lookup]
[running]
com.microsoft.autoupdate.helper.plist (Microsoft Corporation - installed 2017-06-23) com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2017-
me.hide.osxhelper.plist (EVENTURE LTD. - installed 2017-06-30) [Lookup]
User Launch Agents: i [loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2017-09-28) [Lookup] [running] com.spotify.webhelper.plist (Spotify - installed 2017-11-15) [Lookup]
User Login Items: i Spotify Application
(/Applications/Spotify.app)
Internet Plug-ins: i FlashPlayer-10.6: 27.0.0.187 (installed 2017-11-14) [Lookup] QuickTime Plugin: 7.7.3 (installed 2017-10-25)
Flash Player: 27.0.0.187 (installed 2017-11-14) [Lookup]
Safari Extensions: i [enabled] AdBlock - BetaFish, Inc. - https://getadblock.com(installed 2017-08-14)
3rd Party Preference Panes: i Flash Player (installed 2017-10-26) [Lookup]
Time Machine: i Time Machine not configured!
Top Processes by CPU: i 12% Google Chrome 10% WindowServer
6% kernel_task
5% Google Chrome Helper 2% Microsoft Word
Top Processes by Memory: i
638 MB 340 MB 276 MB 214 MB 212 MB
kernel_task
Google Chrome Google Chrome Helper Google Chrome Helper Google Chrome Helper
Top Processes by Network Use: i
Input
16 KB 6 KB 8 KB 7 KB 5 KB
Output
8KB 15 KB 8KB 2KB 2KB
Process name
mDNSResponder apsd
WhatsApp cloudd
netbiosd
Top Processes by Energy Use: i 6.16 Google Chrome
4.26 WindowServer
3.56 Google Chrome Helper 2.84 Google Chrome Helper 1.48 Microsoft Word
Virtual Memory Information: i
3.32 GB
1.13 GB
4.68 GB
2.19 GB
0 B Swap Used
Available RAM Free RAM Used RAM Cached files
Software installs (last 30 days): i Hotspot Shield: 2.0.0 (installed 2017-10-17) Adobe Flash Player: (installed 2017-10-26) WhatsApp: 0.2.6430 (installed 2017-10-29) WhatsApp: 0.2.6969 (installed 2017-11-10) Adobe Flash Player: (installed 2017-11-14)
Install information may not be complete.
Diagnostics Events (last 3 days for minor events): i 2017-11-13 18:20:58 Hearthstone.app High CPU use [Open] [Details]