Hi, I have the same problem, finder constantly crashing while I'm browsing through the directories. I ran EtreCheck and here is the log:
EtreCheck version: 3.0.2 (306)
Report generated 2016-08-22 16:30:00
Download EtreCheck from https://etrecheck.com
Runtime 1:57
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Apps are crashing
Hardware Information: ⓘ
MacBook Pro (Retina, 13-inch, Late 2013)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro11,1
1 2.4 GHz Intel Core i5 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
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 735
Video Information: ⓘ
Intel Iris
Color LCD 2560 x 1600
System Software: ⓘ
OS X Mavericks 10.9.5 (13F1911) - Time since boot: about 4 hours
Disk Information: ⓘ
APPLE SSD SD0128F disk0 : (121,33 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 120.47 GB (10.07 GB free) (Low!)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
USB Information: ⓘ
Apple Internal Memory Card Reader
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Anywhere
Unknown Files: ⓘ
/Library/LaunchAgents/Swapper.plist
One unknown file found. [Check files]
Kernel Extensions: ⓘ
/Applications/SoundTap.app
[not loaded] com.NCHSoftware.driver.SoundTapVirtualAudioDevice (1.0.2 - SDK 10.6 - 2015-09-16) [Support]
/Applications/iSkysoft Audio Recorder.app
[loaded] com.Perfect.Driver.SystemAudioRecorder (1.1.0 - SDK 10.6 - 2015-10-05) [Support]
/Library/Application Support/Avast/components/fileshield/unsigned
[loaded] com.avast.AvastFileShield (3.0.0 - SDK 10.9 - 2016-08-18) [Support]
/Library/Application Support/Avast/components/proxy/unsigned
[loaded] com.avast.PacketForwarder (2.1 - SDK 10.11 - 2016-08-18) [Support]
/Library/Extensions
[loaded] com.paragon-software.filesystems.ntfs (14.2.91 - SDK 10.5 - 2016-08-16) [Support]
/System/Library/Extensions
[not loaded] com.ZTE.driver.ZTEUSBCDCACMData (ZTEDriver_MacV2.0.5 - 2016-08-16) [Support]
[not loaded] com.ZTE.driver.ZTEUSBMassStorageFilter (ZTEDriver_MacV2.0.5 - 2016-08-16) [Support]
[not loaded] com.zte.driver.cdc_ecm_qmi (2.0.4 - 2016-08-16) [Support]
[not loaded] com.zte.driver.cdc_usb_bus (2.0.4 - 2016-08-16) [Support]
Startup Items: ⓘ
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
HWPortDetect: Path: /Library/StartupItems/HWPortDetect
MobileBrServ: Path: /Library/StartupItems/MobileBrServ
StartOuc: Path: /Library/StartupItems/StartOuc
Startup items are obsolete in OS X Yosemite
System Launch Agents: ⓘ
[not loaded] 5 Apple tasks
[loaded] 142 Apple tasks
[running] 37 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 51 Apple tasks
[loaded] 138 Apple tasks
[running] 60 Apple tasks
Launch Agents: ⓘ
[running] Swapper.plist (2012-08-21) [Support]
[running] com.avast.secureline.update-agent.plist (2016-08-22) [Support]
[loaded] com.avast.secureline.userinit.plist (2016-08-22) [Support]
[running] com.avast.update-agent.plist (2016-08-22) [Support]
[loaded] com.avast.userinit.plist (2016-08-22) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-11) [Support]
[running] com.paragon-software.NTFS.fsnotify.agent.plist (2016-04-29) [Support]
[loaded] com.paragon-software.facebook.agent.plist (2016-04-29) [Support]
[loaded] com.paragon.updater.plist (2016-04-29) [Support]
[running] jp.co.canon.CUPSCAPT.BG.plist (2013-10-08) [Support]
[loaded] org.glimmerblocker.installer.plist (2015-02-04) [Support]
[loaded] org.macosforge.xquartz.startx.plist (2012-09-28) [Support]
Launch Daemons: ⓘ
[running] PPPMonitord.plist (2012-08-21) [Support]
[loaded] com.adobe.fpsaud.plist (2016-06-29) [Support]
[loaded] com.avast.init.plist (2016-08-22) [Support]
[loaded] com.avast.secureline.init.plist (2016-08-22) [Support]
[loaded] com.avast.secureline.uninstall.plist (2016-08-22) [Support]
[loaded] com.avast.secureline.update.plist (2016-08-22) [Support]
[loaded] com.avast.uninstall.plist (2016-08-22) [Support]
[loaded] com.avast.update.plist (2016-08-22) [Support]
[loaded] com.google.keystone.daemon.plist (2016-07-11) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]
[running] com.paragon-software.NTFS.fsnotify.daemon.plist (2016-04-29) [Support]
[loaded] com.paragon.NTFS.launch.plist (2016-04-29)
[running] org.glimmerblocker.proxy.plist (2015-02-04) [Support]
[loaded] org.macosforge.xquartz.privileged_startx.plist (2012-09-28) [Support]
User Launch Agents: ⓘ
[loaded] com.adobe.ARM.[...].plist (2014-01-06) [Support]
[not loaded] com.avast.home.userinit.plist (2016-08-22) [Support]
[not loaded] com.avast.secureline.home.userinit.plist (2016-08-22) [Support]
[loaded] com.nchsoftware.soundtap.schedule.LikeSurvey.plist (2015-09-17) [Support]
[running] com.spotify.webhelper.plist (2016-08-22) [Support]
User Login Items: ⓘ
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
uTorrent Application (/Applications/uTorrent.app)
Google Drive Application (/Applications/Google Drive.app)
Spotify Application Hidden (/Applications/Spotify.app)
AdobeResourceSynchronizer Application Hidden (/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
Internet Plug-ins: ⓘ
JavaAppletPlugin: 14.9.0 - SDK 10.7 (2015-01-29) Check version
Google Earth Web Plug-in: 7.1 (2016-08-12) [Support]
Default Browser: 537 - SDK 10.9 (2014-11-11)
Unity Web Player: UnityPlayer version 4.3.1f1 - SDK 10.6 (2013-12-27) [Support]
AdobePDFViewerNPAPI: 11.0.17 - SDK 10.6 (2016-08-11) [Support]
FlashPlayer-10.6: 22.0.0.209 - SDK 10.9 (2016-08-05) [Support]
Silverlight: 5.1.40416.0 - SDK 10.6 (2015-05-18) [Support]
QuickTime Plugin: 7.7.3 (2016-08-16)
Flash Player: 22.0.0.209 - SDK 10.9 (2016-08-05) [Support]
SharePointBrowserPlugin: 14.0.0 (2010-08-25) [Support]
AdobePDFViewer: 11.0.17 - SDK 10.6 (2016-08-11) [Support]
DirectorShockwave: 12.0.7r148 - SDK 10.6 (2013-12-05) [Support]
3rd Party Preference Panes: ⓘ
Flash Player (2016-06-29) [Support]
GlimmerBlocker (2015-02-04) [Support]
MacFUSE (2008-12-19) [Support]
NTFS-3G (2010-10-11) [Support]
Paragon NTFS for Mac ® OS X (2016-06-16) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
34% Google Chrome Helper(21)
15% Google Chrome
9% kernel_task
7% WindowServer
4% fontd
Top Processes by Memory: ⓘ
1.54 GB Google Chrome Helper(21)
612 MB kernel_task
197 MB com.apple.WebKit.WebContent(5)
156 MB Google Drive
147 MB Google Chrome
Virtual Memory Information: ⓘ
88 MB Free RAM
6.15 GB Used RAM (2.85 GB Cached)
58 MB Swap Used
Diagnostics Information: ⓘ
Aug 22, 2016, 11:47:13 AM Self test - passed
Aug 22, 2016, 11:19:51 AM ~/Library/Logs/DiagnosticReports/Finder_2016-08-22-111951_[redacted].crash
com.apple.finder - /System/Library/CoreServices/Finder.app/Contents/MacOS/Finder
Aug 21, 2016, 09:07:16 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-21-210716_[redacted].crash
Aug 21, 2016, 07:10:30 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-21-191030_[redacted].crash
Aug 21, 2016, 07:09:43 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-21-190943_[redacted].crash
Aug 21, 2016, 10:08:11 AM ~/Library/Logs/DiagnosticReports/Finder_2016-08-21-100811_[redacted].crash
Aug 20, 2016, 09:57:39 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-215739_[redacted].crash
Aug 20, 2016, 09:56:42 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-215642_[redacted].crash
Aug 20, 2016, 09:56:27 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-215627_[redacted].crash
Aug 20, 2016, 08:50:01 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-205001_[redacted].crash
Aug 20, 2016, 08:46:13 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-204613_[redacted].crash
Aug 20, 2016, 12:34:28 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-123428_[redacted].crash
Aug 20, 2016, 11:01:17 AM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-110117_[redacted].crash
Aug 20, 2016, 11:01:17 AM ~/Library/Logs/DiagnosticReports/Mac Media Player_2016-08-20-110117_[redacted].crash
com.macblurayplayer.MacMediaPlayer - /Applications/Mac Media Player.app/Contents/MacOS/Mac Media Player
Aug 20, 2016, 10:07:42 AM ~/Library/Logs/DiagnosticReports/Finder_2016-08-20-100742_[redacted].crash
Aug 19, 2016, 09:47:34 PM ~/Library/Logs/DiagnosticReports/Finder_2016-08-19-214734_[redacted].crash