diff --git a/.gitignore b/.gitignore
index b2f98577..a2603413 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,6 +48,7 @@
 /src/tagui_service.done
 
 # exclude local files for chrome integration
+/src/chrome/tagui_user_profile
 /src/tagui_chrome.in
 /src/tagui_chrome.out
 /src/tagui_chrome.log
diff --git a/README.md b/README.md
index f6054de3..5c0f32c2 100755
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 ***TagUI is now maintained by [AI Singapore (aisingapore.org)](https://www.aisingapore.org), a government-funded initiative to build local artificial intelligence capabilities. The intention is to add AI capabilities to TagUI while keeping it open-source and free to use. To get started, check out above hands-on tutorial, Prezi slides, or recorded video at FOSSASIA 2018.***
 
 ### FEATURES
-***TagUI is a RPA / CLI tool for digital process automation***
+***TagUI is a CLI tool for digital process automation (RPA)***
 - automate Chrome visibly or headlessly
 - visual automation of websites and desktop
 - write in 20+ human languages & JavaScript
diff --git a/src/tagui b/src/tagui
index 47d0542d..50c97786 100755
--- a/src/tagui
+++ b/src/tagui
@@ -224,8 +224,6 @@ tagui_data_set_size=1
 if [ -f "$1".csv ]; then
 min_column=`awk -F',' '{print NF}' "$1".csv | sort -nu | head -n 1`
 max_column=`awk -F',' '{print NF}' "$1".csv | sort -nu | tail -n 1`
-# comment off sanity check for columns consistency as cells with , will trigger false-positive
-# if [ "$min_column" != "$max_column" ]; then echo "ERROR - $1.csv has inconsistent # of columns" | tee -a "$1".log
 if [ "$min_column" -lt 2 ]; then echo "ERROR - $1.csv has lesser than 2 columns" | tee -a "$1".log
 else tagui_data_set_size="$(($min_column-1))"; fi; fi
 
@@ -273,17 +271,21 @@ headless_switch=""; if [ "$tagui_web_browser" == "headless" ]; then headless_swi
 if [ "$tagui_data_set" -eq 1 ] || [ "$tagui_speed_mode" == false ]; then
 
 # check for which operating system and launch chrome accordingly
-chrome_started="$(uname -s)"; chrome_switches="--remote-debugging-port=9222 about:blank"
+chrome_started="$(uname -s)"; chrome_switches="--user-data-dir=chrome/tagui_user_profile --remote-debugging-port=9222 about:blank"
 if [ "$chrome_started" == "Darwin" ]; then
 if ! [ -f "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" ]; then
 echo "ERROR - cannot find Chrome at \"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome\""
 echo "Chrome is at a non-standard location on your macOS, raise an issue on TagUI GitHub page"; exit 1; fi
-pkill Google\ Chrome; /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome $chrome_switches $window_size $headless_switch > /dev/null 2>&1 &
+chrome_process_id="$(ps | grep remote-debugging-port=9222 | grep tagui_user_profile | sed -e 's/^[ ]*//' | cut -d' ' -f 1 | sort -nur | head -n 1)"
+if [ -n "$chrome_process_id" ]; then kill $chrome_process_id; fi
+/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome $chrome_switches $window_size $headless_switch > /dev/null 2>&1 &
 else
 if ! type "$chrome_command" > /dev/null; then
 echo "ERROR - cannot find Chrome command \"$chrome_command\""
 echo "update chrome_command setting in tagui/src/tagui and make sure symlink to command is created"; exit 1; fi
-pkill $chrome_command; $chrome_command $chrome_switches $window_size $headless_switch > /dev/null 2>&1 &
+chrome_process_id="$(ps | grep remote-debugging-port=9222 | grep tagui_user_profile | sed -e 's/^[ ]*//' | cut -d' ' -f 1 | sort -nur | head -n 1)"
+if [ -n "$chrome_process_id" ]; then kill $chrome_process_id; fi
+$chrome_command $chrome_switches $window_size $headless_switch > /dev/null 2>&1 &
 fi
 
 # wait until chrome is ready with websocket url for php thread
@@ -310,8 +312,13 @@ if [ -f "tagui.sikuli/tagui_sikuli.in" ]; then echo "finish" > tagui.sikuli/tagu
 if [ -f "tagui_chrome.in" ]; then echo "finish" > tagui_chrome.in; fi
 
 # kill chrome processes by checking which os the processes are started on 
-if [ "$chrome_started" == "Darwin" ] && [ "$tagui_speed_mode" == false ]; then pkill Google\ Chrome
-else if [ -n "$chrome_started" ] && [ "$tagui_speed_mode" == false ]; then pkill $chrome_command; fi; fi
+if [ "$chrome_started" == "Darwin" ] && [ "$tagui_speed_mode" == false ]; then
+chrome_process_id="$(ps | grep remote-debugging-port=9222 | grep tagui_user_profile | sed -e 's/^[ ]*//' | cut -d' ' -f 1 | sort -nur | head -n 1)"
+if [ -n "$chrome_process_id" ]; then kill $chrome_process_id; fi
+else if [ -n "$chrome_started" ] && [ "$tagui_speed_mode" == false ]; then
+chrome_process_id="$(ps | grep remote-debugging-port=9222 | grep tagui_user_profile | sed -e 's/^[ ]*//' | cut -d' ' -f 1 | sort -nur | head -n 1)"
+if [ -n "$chrome_process_id" ]; then kill $chrome_process_id; fi
+fi; fi
 
 # end of big loop for managing multiple data sets in datatable
 done
diff --git a/src/tagui.cmd b/src/tagui.cmd
index 791fc732..3a26c9c4 100644
--- a/src/tagui.cmd
+++ b/src/tagui.cmd
@@ -482,10 +482,6 @@ if not exist "%flow_file%.csv" goto no_datatable
 	for /f "tokens=* usebackq" %%c in (`gawk -F"," "{print NF}" "%flow_file%.csv" ^| sort -nu ^| head -n 1`) do set min_column=%%c
 	for /f "tokens=* usebackq" %%c in (`gawk -F"," "{print NF}" "%flow_file%.csv" ^| sort -nu ^| tail -n 1`) do set max_column=%%c
 
-rem comment off sanity check for columns consistency as cells with , will trigger false-positive
-rem	if %min_column% neq %max_column% (
-rem		echo ERROR - %flow_file%.csv has inconsistent # of columns | tee -a "%flow_file%.log"
-rem	)
 	if %min_column% lss 2 (
 		echo ERROR - %flow_file%.csv has has lesser than 2 columns | tee -a "%flow_file%.log"
 	) else (
@@ -551,13 +547,14 @@ if exist "tagui_chrome.in" (
 
 	rem check for which operating system and launch chrome accordingly
 	set chrome_started=Windows
-	set chrome_switches=--remote-debugging-port=9222 about:blank
+	set chrome_switches=--user-data-dir=chrome\tagui_user_profile --remote-debugging-port=9222 about:blank
 	if not exist "%chrome_command%" (
 		echo ERROR - cannot find Chrome at "%chrome_command%"
 		echo update chrome_command setting in tagui\src\tagui.cmd to your chrome.exe
 		exit /b 1
 	)
-	taskkill /IM chrome.exe /T /F > nul 2>&1
+	for /f "tokens=* usebackq" %%p in (`wmic process where "caption like '%%chrome.exe%%' and commandline like '%%tagui_user_profile --remote-debugging-port=9222%%'" get processid 2^>nul ^| cut -d" " -f 1 ^| sort -nur ^| head -n 1`) do set chrome_process_id=%%p
+	if not "!chrome_process_id!"=="" taskkill /PID !chrome_process_id! /T /F > nul 2>&1
 	start "" "%chrome_command%" !chrome_switches! !window_size! !headless_switch!
 
 	:scan_ws_again
@@ -587,8 +584,10 @@ if exist "tagui.sikuli\tagui_sikuli.in" echo finish > tagui.sikuli\tagui_sikuli.
 if exist "tagui_chrome.in" echo finish > tagui_chrome.in
 
 rem kill chrome processes by checking which os the processes are started on
-if not "!chrome_started!"=="" if %tagui_speed_mode%==false taskkill /IM chrome.exe /T /F > nul 2>&1
-
+if not "!chrome_started!"=="" if %tagui_speed_mode%==false (
+	for /f "tokens=* usebackq" %%p in (`wmic process where "caption like '%%chrome.exe%%' and commandline like '%%tagui_user_profile --remote-debugging-port=9222%%'" get processid 2^>nul ^| cut -d" " -f 1 ^| sort -nur ^| head -n 1`) do set chrome_process_id=%%p
+	if not "!chrome_process_id!"=="" taskkill /PID !chrome_process_id! /T /F > nul 2>&1
+)
 rem end of big loop for managing multiple data sets in datatable
 )
 :break_for_loop