diff --git a/bin/lib/crawlers.py b/bin/lib/crawlers.py
index 46a0a0cd..f30aac07 100755
--- a/bin/lib/crawlers.py
+++ b/bin/lib/crawlers.py
@@ -377,14 +377,15 @@ def api_create_cookie(user_id, cookiejar_uuid, cookie_dict):
 
 #### CRAWLER TASK ####
 def create_crawler_task(url, screenshot=True, har=True, depth_limit=1, max_pages=100, auto_crawler=False, crawler_delta=3600, cookiejar_uuid=None, user_agent=None):
+
     crawler_config = {}
     crawler_config['depth_limit'] = depth_limit
     crawler_config['closespider_pagecount'] = max_pages
 
     if screenshot:
-        crawler_config['screenshot'] = True
+        crawler_config['png'] = True
     else:
-        crawler_config['screenshot'] = False
+        crawler_config['png'] = False
     if har:
         crawler_config['har'] = True
     else:
diff --git a/bin/torcrawler/TorSplashCrawler.py b/bin/torcrawler/TorSplashCrawler.py
index 60fc103a..41f45acb 100644
--- a/bin/torcrawler/TorSplashCrawler.py
+++ b/bin/torcrawler/TorSplashCrawler.py
@@ -219,13 +219,13 @@ class TorSplashCrawler():
                     all_cookies = []
 
                 # SCREENSHOT
-                if 'png' in response.data:
+                if 'png' in response.data and self.png:
                     sha256_string = Screenshot.save_crawled_screeshot(response.data['png'], 5000000, f_save=self.requested_mode)
                     if sha256_string:
                         Screenshot.save_item_relationship(sha256_string, item_id)
                         Screenshot.save_domain_relationship(sha256_string, self.domains[0])
                 # HAR
-                if 'har' in response.data:
+                if 'har' in response.data and self.har:
                     crawlers.save_har(self.har_dir, item_id, response.data['har'])
 
                 le = LinkExtractor(allow_domains=self.domains, unique=True)
diff --git a/bin/torcrawler/launch_splash_crawler.sh b/bin/torcrawler/launch_splash_crawler.sh
index dcbe7bee..87884a57 100755
--- a/bin/torcrawler/launch_splash_crawler.sh
+++ b/bin/torcrawler/launch_splash_crawler.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+issplashed=`screen -ls | egrep '[0-9]+.Docker_Splash' | cut -d. -f1`
+
 usage() { echo "Usage: sudo $0 [-f <config_absolute_path>] [-p <port_start>] [-n <number_of_splash_servers>]" 1>&2;
           echo "          -f: absolute path to splash docker proxy-profiles directory (used for proxy configuration)";
           echo "          -p: number of the first splash server port number. This number is incremented for the others splash server";
@@ -34,10 +36,6 @@ while getopts ":p:f:n:u:" o; do
 done
 shift $((OPTIND-1))
 
-if [ -z "${u}" ]; then
-    u=3000;
-fi
-
 if [ -z "${p}" ] || [ -z "${f}" ] || [ -z "${n}" ]; then
     usage;
 fi
@@ -47,6 +45,11 @@ DEFAULT="\\033[0;39m"
 GREEN="\\033[1;32m"
 WHITE="\\033[0;02m"
 
+if [ "$EUID" -ne 0 ]; then
+    echo -e $RED"\t* Please run as root or sudo.\n"$DEFAULT
+    exit 1
+fi
+
 if [ ! -d "${f}" ]; then
     printf "$RED\n Error -f, proxy-profiles directory: $WHITE${f}$RED not found\n$DEFAULT Please check if you enter the correct path\n"
     exit 1
@@ -57,6 +60,15 @@ if [ ! -f "${f}default.ini" ]; then
     exit 1
 fi
 
+if [[ $issplashed ]]; then
+    echo -e $RED"\t* A screen is already launched, please kill it before creating another one."$DEFAULT
+    exit 1
+fi
+
+if [ -z "${u}" ]; then
+    u=3000;
+fi
+
 screen -dmS "Docker_Splash"
 sleep 0.1