Jaroslaw Guzinski wrote:
> In laboratory I have few boards with Altera Flex600. Boards are connected
> with PC using ByteBlaster. On PC I have Win98 OS. On the all PC is the
> same software.
> Problem is that on some computers after configuring ALTERA device after
> some time (sometimes very short) project in Altera is deleteted.

I assume this means the downloaded image is corrupted.

> How to solve that problems without disconnecting ByteBlaster after
> programming?

Sounds like a intermittent connection on the ByteBlaster or PC connector.

-- Mike Treseler