Fix for Windows exceptions

library/DFProcess-windows-SHM.cpp

@@ -230,7 +230,15 @@ SHMProcess::SHMProcess(vector <memory_info *> & known_versions)
             vector<memory_info *>::iterator it;
             for ( it=known_versions.begin() ; it < known_versions.end(); it++ )
             {
-                uint32_t pe_timestamp = (*it)->getHexValue("pe_timestamp");
+                uint32_t pe_timestamp;
+                try
+                {
+                    pe_timestamp = (*it)->getHexValue("pe_timestamp");
+                }
+                catch(Error::MissingMemoryDefinition& e)
+                {
+                    continue;
+                }
                 if (pe_timestamp == pe_header.FileHeader.TimeDateStamp)
                 {
                     memory_info *m = new memory_info(**it);

library/DFProcess-windows.cpp

@@ -91,9 +91,16 @@ NormalProcess::NormalProcess(uint32_t pid, vector <memory_info *> & known_versio
         // filter by OS
         if(memory_info::OS_WINDOWS != (*it)->getOS())
             continue;
-        
-        // filter by timestamp
-        uint32_t pe_timestamp = (*it)->getHexValue("pe_timestamp");
+        uint32_t pe_timestamp;
+        // filter by timestamp, skip entries without a timestamp
+        try
+        {
+            pe_timestamp = (*it)->getHexValue("pe_timestamp");
+        }
+        catch(Error::MissingMemoryDefinition& e)
+        {
+            continue;
+        }
         if (pe_timestamp != pe_header.FileHeader.TimeDateStamp)
             continue;