The program can be opened, however when an attempt to make a change in the program the logic editor crashes.


The ucmerr.log is showing an error on usage of msxml4.dll
HRESULT hr=m_pXMLDescriptor.CreateInstance(xml::CLSID_DOMDocument40);

• This Dll is provide by Windows and should be registered.

• Open Command prompt.
• Type C:\Windows\SysWOW64>regsvr32.exe msxml4.dll, press enter.

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