1st Class GradeBook Support : Troubleshooting - GradeBook Won't Start/Run Properly : I get a ILLEGAL INSTRUCTION or a GPF error when I try to run 1st Class GradeBook. What should I do?
	Re-start your computer in safe mode. You can do this by pressing the F8 function key when your computer says "Starting Windows". You may have to try this a couple of times. A menu should come up with various booting options including SAFE MODE. Choose safe mode. Now try running the gradebook. If the GPF does not occur in safe mode then it is being caused by a bad driver (or potentially hardware). The most common offender is the video card driver. Either get an updated/fixed driver from the manufacturers web site or use the generic video driver that comes with windows. If the error does occur in safe mode then it is probably due to a bad ram chip. Try having your ram chips replaced. support@1st-class-software.com
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