diff --git a/lib/core/profiling.py b/lib/core/profiling.py
index c1bd8acd5..ec04b59c0 100644
--- a/lib/core/profiling.py
+++ b/lib/core/profiling.py
@@ -80,15 +80,20 @@ def profile(profileOutputFile=None, dotOutputFile=None, imageOutputFile=None):
     if isinstance(pydotGraph, list):
         pydotGraph = pydotGraph[0]
 
-    pydotGraph.write_png(imageOutputFile)
+    try:
+        pydotGraph.write_png(imageOutputFile)
+    except OSError:
+        errMsg = "profiling requires graphviz installed "
+        errMsg += "(Hint: 'sudo apt-get install graphviz')"
+        logger.error(errMsg)
+    else:
+        infoMsg = "displaying interactive graph with xdot library"
+        logger.info(infoMsg)
 
-    infoMsg = "displaying interactive graph with xdot library"
-    logger.info(infoMsg)
-
-    # Display interactive Graphviz dot file by using extra/xdot/xdot.py
-    # http://code.google.com/p/jrfonseca/wiki/XDot
-    win = xdot.DotWindow()
-    win.connect('destroy', gtk.main_quit)
-    win.set_filter("dot")
-    win.open_file(dotOutputFile)
-    gtk.main()
+        # Display interactive Graphviz dot file by using extra/xdot/xdot.py
+        # http://code.google.com/p/jrfonseca/wiki/XDot
+        win = xdot.DotWindow()
+        win.connect('destroy', gtk.main_quit)
+        win.set_filter("dot")
+        win.open_file(dotOutputFile)
+        gtk.main()
diff --git a/lib/core/settings.py b/lib/core/settings.py
index e3feaf6e5..7003b500f 100644
--- a/lib/core/settings.py
+++ b/lib/core/settings.py
@@ -19,7 +19,7 @@ from lib.core.enums import DBMS_DIRECTORY_NAME
 from lib.core.enums import OS
 
 # sqlmap version (<major>.<minor>.<month>.<monthly commit>)
-VERSION = "1.2.6.28"
+VERSION = "1.2.6.29"
 TYPE = "dev" if VERSION.count('.') > 2 and VERSION.split('.')[-1] != '0' else "stable"
 TYPE_COLORS = {"dev": 33, "stable": 90, "pip": 34}
 VERSION_STRING = "sqlmap/%s#%s" % ('.'.join(VERSION.split('.')[:-1]) if VERSION.count('.') > 2 and VERSION.split('.')[-1] == '0' else VERSION, TYPE)
diff --git a/sqlmap.py b/sqlmap.py
index 75272136e..62d850da3 100755
--- a/sqlmap.py
+++ b/sqlmap.py
@@ -143,10 +143,7 @@ def main():
 
         if not conf.updateAll:
             # Postponed imports (faster start)
-            if conf.profile:
-                from lib.core.profiling import profile
-                profile()
-            elif conf.smokeTest:
+            if conf.smokeTest:
                 from lib.core.testing import smokeTest
                 smokeTest()
             elif conf.liveTest:
@@ -154,15 +151,20 @@ def main():
                 liveTest()
             else:
                 from lib.controller.controller import start
-                try:
-                    start()
-                except thread.error as ex:
-                    if "can't start new thread" in getSafeExString(ex):
-                        errMsg = "unable to start new threads. Please check OS (u)limits"
-                        logger.critical(errMsg)
-                        raise SystemExit
-                    else:
-                        raise
+                if conf.profile:
+                    from lib.core.profiling import profile
+                    globals()["start"] = start
+                    profile()
+                else:
+                    try:
+                        start()
+                    except thread.error as ex:
+                        if "can't start new thread" in getSafeExString(ex):
+                            errMsg = "unable to start new threads. Please check OS (u)limits"
+                            logger.critical(errMsg)
+                            raise SystemExit
+                        else:
+                            raise
 
     except SqlmapUserQuitException:
         errMsg = "user quit"
diff --git a/txt/checksum.md5 b/txt/checksum.md5
index 71f30de8d..47f7e6b59 100644
--- a/txt/checksum.md5
+++ b/txt/checksum.md5
@@ -43,12 +43,12 @@ cada93357a7321655927fc9625b3bfec  lib/core/exception.py
 e9e32e5afe49ecd644b3a0ca9c9a36fc  lib/core/optiondict.py
 d2672b24ffa985523066613138fccbbd  lib/core/option.py
 c8c386d644d57c659d74542f5f57f632  lib/core/patch.py
-7cfd04e583cca782b843f6f6d973981a  lib/core/profiling.py
+945b313b8bb9713f570f5ebb05416799  lib/core/profiling.py
 6f654e1715571eff68a0f8af3d62dcf8  lib/core/readlineng.py
 0c3eef46bdbf87e29a3f95f90240d192  lib/core/replication.py
 a7db43859b61569b601b97f187dd31c5  lib/core/revision.py
 fcb74fcc9577523524659ec49e2e964b  lib/core/session.py
-eceda1743cad3fb421344c19ab4148ed  lib/core/settings.py
+e5a223ce6a904c33c896cc6a6161eb01  lib/core/settings.py
 0dfc2ed40adf72e302291f6ecd4406f6  lib/core/shell.py
 a7edc9250d13af36ac0108f259859c19  lib/core/subprocessng.py
 36bd2dc292c0e10e39bd9c43b77fe1bc  lib/core/target.py
@@ -226,7 +226,7 @@ ec2ba8c757ac96425dcd2b97970edd3a  shell/stagers/stager.asp_
 0c48ddb1feb7e38a951ef05a0d48e032  shell/stagers/stager.jsp_
 2f9e459a4cf6a58680978cdce5ff7971  shell/stagers/stager.php_
 4eaeef94314956e4517e5310a28d579a  sqlmapapi.py
-c5ecca109867f7ce4d325f487cf7badd  sqlmap.py
+b6e9d67cafb85ff2c3fde165fc577a8d  sqlmap.py
 1a1e3a78ded58b240c9dbb1b17996acf  tamper/0x2char.py
 4c3b8a7daa4bff52e01d4168be0eedbe  tamper/apostrophemask.py
 4115a55b8aba464723d645b7d3156b6e  tamper/apostrophenullencode.py