各路大神 为什么一IC出乱码

pptys

eading from  to D:\jur\JRunner\output\nanddump1.bin
System.ArgumentException: Invalid handle.
Parameter name: handle
   at System.IO.FileStream..ctor(SafeFileHandle handle, FileAccess access, Int32 bufferSize, Boolean isAsync)
   at System.IO.FileStream..ctor(SafeFileHandle handle, FileAccess access)
   at
..
()0

Reading from  to D:\jur\JRunner\output\nanddump2.bin
System.ArgumentException: Invalid handle.
Parameter name: handle
   at System.IO.FileStream..ctor(SafeFileHandle handle, FileAccess access, Int32 bufferSize, Boolean isAsync)
   at System.IO.FileStream..ctor(SafeFileHandle handle, FileAccess access)
   at
..
()0

这啥情况