--- quickviewer/fileloader/fileloader7zarchive.cpp.orig	2020-06-15 20:27:13.351622773 -0700
+++ quickviewer/fileloader/fileloader7zarchive.cpp	2020-06-15 22:28:42.301550922 -0700
@@ -336,7 +336,7 @@
 //    item.GetStringProperty(PropertyIndexEnum::kpidGroup, strVal);
 //    prop.Group = QString::fromStdWString(strVal);
 
-    uint64_t uintval;
+    unsigned __int64 uintval;
     item.GetUInt64Property(PropertyIndexEnum::kpidSize, uintval);
     prop.size = (size_t) uintval;
     prop.pre_total = (size_t) pre_total;