When reading XML file including specific string, QV desktop data source wizard complaints and qv.exe /r ... gets frozen (never returns). Fine if it's specification but need to know all prohibited patterns and avoid (well this is another question, how ?) them before encountering it. Have you seen any specifications ?
<r><free text>aaa & bbb, ccc</free text></r>
1. Desktop -> Edit Script -> Web Files ... -> Local File then specify sample.xml
2. Next -> File Type = Xml
Error message [
Whitespace is not allowed at this location.
On line number: x. On column number: y. System ID ...