Depending on the version of Word and/or the version of Windows
you are using one of these two errors could happen at startup, but there is
a reason and an easy circumvention:
These have occurred when you start PsuThesi by opening PsuThesi.dot without Word
already running.
The circumvention is quite simple: First launch Microsoft Word and then open
the PsuThesi.dot template using
[File]>(Open...)
.