locking error

When I run the following action on an access database I get the following runtime error
"File sharing lock count exceeded"

There are  25000 records in the recordset.

Does anybody know what I can do about that

Set RsMain = New ADODB.Recordset

RsMain.Open "select * from test", CN, adOpenStatic, adLockoptimistic

RsMain.MoveFirst
Dim x As Integer
   
With RsMain
For x = 1 To RsMain.RecordCount
    !returns = Round((!a * 0.07) + (!b * 0.04) + (!c * 0.12), 4)
    !risk = Round(Sqr((((0.19) * !a) ^ 2) + ((0.19 * 0.09 * 0) * !b * !a * 2) + _
    ((0.19 * 0.11 * -1) * !a * !c * 2) + (((0.09) * !b) ^ 2) + _
    ((0.09 * 0.11 * 0) * !b * !c * 2) + (((0.11) * !c) ^ 2)), 4)
    .MoveNext
Next
End With

MsgBox "ok"
LVL 25
RonaldBiemansAsked:
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bruintjeCommented:
-you could have a look in your Registry at "MaxLocksPerFile"
-normaly this stands at 9.500 Records (at least that was with A97)
-up it a bit

-Location in the Registry was:
HKEY_LOCAL_MACHINE\Sotfware\Microsoft\Jet\3.5\engines\Jet 3.5\

"Jet/3.5/.........." could be something different on your machine

hope this helps a bit
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RonaldBiemansAuthor Commented:
Thanks Bruintje,

But why doesn't it release the lock once it updated the record ?

RB
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bruintjeCommented:
not sure but looks like the recordset has the records locked while being open if it's closed again the records are released
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