With regards the error, it sounds like you have some corruption in the file.
See http://umpmfaq.info/faqdb.php?q=89

--
Glyn Simpson, Microsoft MVP - Money

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"J. Kim" <anonymous[at]discussions.microsoft.com> wrote in message
news:21a501c47cce$d4b845d0$a601280a[at]phx.gbl...
- quote -

I've restored a back-up file but am now having problems
with it. For example, I cannot make any changes to it.
When I try to add any kind of transaction, I get a
message saying "not able to enter transaction" and when I
try to update prices online, nothing changes - although
the internet connection is carried out, none of the
prices update. Any suggestions?