diff --git a/libretroshare/src/services/p3idservice.cc b/libretroshare/src/services/p3idservice.cc
index a1dfc51d5..8695280a7 100644
--- a/libretroshare/src/services/p3idservice.cc
+++ b/libretroshare/src/services/p3idservice.cc
@@ -425,7 +425,7 @@ public:
         bool no_ts = (it == mLastUsageTS.end()) ;
 
         time_t last_usage_ts = no_ts?0:(it->second.TS);
-        time_t max_keep_time ;
+        time_t max_keep_time = 0;
         bool should_check = true ;
 
         if(no_ts)
@@ -1207,13 +1207,17 @@ bool p3IdService::encryptData( const uint8_t* decrypted_data,
 	for( int i=0; i < maxRounds; ++i )
 	{
 		for( std::set<const RsGxsId*>::iterator it = keyNotYetFoundIds.begin();
-		     it !=keyNotYetFoundIds.end(); ++it )
+		     it !=keyNotYetFoundIds.end(); )
 		{
 			RsTlvPublicRSAKey encryption_key;
 			if(getKey(**it, encryption_key) && !encryption_key.keyId.isNull())
 			{
 				encryption_keys.push_back(encryption_key);
-				keyNotYetFoundIds.erase(it);
+				it = keyNotYetFoundIds.erase(it);
+			}
+			else
+			{
+				++it;
 			}
 		}
 
@@ -1336,14 +1340,18 @@ bool p3IdService::decryptData( const uint8_t* encrypted_data,
 	for( int i=0; i < maxRounds; ++i )
 	{
 		for( std::set<const RsGxsId*>::iterator it = keyNotYetFoundIds.begin();
-		     it !=keyNotYetFoundIds.end(); ++it )
+		     it !=keyNotYetFoundIds.end(); )
 		{
 			RsTlvPrivateRSAKey decryption_key;
 			if( getPrivateKey(**it, decryption_key)
 			        && !decryption_key.keyId.isNull() )
 			{
 				decryption_keys.push_back(decryption_key);
-				keyNotYetFoundIds.erase(it);
+				it = keyNotYetFoundIds.erase(it);
+			}
+			else
+			{
+				++it;
 			}
 		}
 
diff --git a/libretroshare/src/util/contentvalue.cc b/libretroshare/src/util/contentvalue.cc
index fd4a5168b..1ab962120 100644
--- a/libretroshare/src/util/contentvalue.cc
+++ b/libretroshare/src/util/contentvalue.cc
@@ -185,6 +185,7 @@ void ContentValue::put(const std::string &key, uint32_t len, const char* value){
     mKvData.insert(std::pair<std::string, std::pair<uint32_t, char*> >
                    (key, std::pair<uint32_t, char*>(len, dest)));
     //delete[] dest; //Deleted by clearData()
+    // cppcheck-suppress memleak
 }
 
 bool ContentValue::getAsBool(const std::string &key, bool& value) const{
diff --git a/retroshare-gui/src/gui/advsearch/advancedsearchdialog.cpp b/retroshare-gui/src/gui/advsearch/advancedsearchdialog.cpp
index d4b629b4b..4eb551a2e 100644
--- a/retroshare-gui/src/gui/advsearch/advancedsearchdialog.cpp
+++ b/retroshare-gui/src/gui/advsearch/advancedsearchdialog.cpp
@@ -128,6 +128,8 @@ RsRegularExpression::Expression * AdvancedSearchDialog::getRsExpr()
     
 
     // iterate through the items in elements and
+#warning Phenom (2017-07-21): I don't know if it is a real memLeak for wholeExpression. If not remove this warning and add a comment how it is deleted.
+    // cppcheck-suppress memleak
     for (int i = 1; i < expressions->size(); ++i) {
         // extract the expression information and compound it with the
         // first expression
diff --git a/retroshare-gui/src/gui/settings/ChatPage.cpp b/retroshare-gui/src/gui/settings/ChatPage.cpp
index 81e54c802..465a7233a 100644
--- a/retroshare-gui/src/gui/settings/ChatPage.cpp
+++ b/retroshare-gui/src/gui/settings/ChatPage.cpp
@@ -395,7 +395,7 @@ ChatPage::load()
 	 // load personal invites
 	 //
 #ifdef TO_BE_DONE
-	 for()
+	 for(;;)
 	 {
 		 QListWidgetItem *item = new QListWidgetItem;
 		 item->setData(Qt::DisplayRole,tr("Private chat invite from")+" "+QString::fromUtf8(detail.name.c_str())) ;
diff --git a/supportlibs/pegmarkdown/utility_functions.c b/supportlibs/pegmarkdown/utility_functions.c
index 50fc35035..08f910274 100644
--- a/supportlibs/pegmarkdown/utility_functions.c
+++ b/supportlibs/pegmarkdown/utility_functions.c
@@ -25,6 +25,8 @@ element * cons(element *new, element *list) {
 element *reverse(element *list) {
     element *new = NULL;
     element *next = NULL;
+#warning Phenom (2017-07-21): I don't know if it is a real memLeak for new. If not remove this warning and add a comment how it is deleted.
+    // cppcheck-suppress memleak
     while (list != NULL) {
         next = list->next;
         new = cons(list, new);