I have upgraded MPLAB from v5.00 to v5.40 and PicStart Plus firmware from
v2.01 to v2.30.
I just tried to program my 16F874 in circuit and (big sigh of relief) it
works.

Thanks to you all for the suggestions!

Alan

Embedded Systems Engineer
Microtima Ltd
Ouseburn Mews
3-7 Stepney Bank
Newcastle upon Tyne
NE1 2PW

Tel: 0191 2304411
Fax: 0191 2304422


>> I'm only using v5.00 of MPLAB
>
>That version had some problems which were fixed in later versions.  You
>should definitely upgrade.
>
>
>********************************************************************
>Olin Lathrop, embedded systems consultant in Littleton Massachusetts
>(978) 742-9014, olin@embedinc.com, http://www.embedinc.com
>
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>
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