Stack Overflow in Winnt

Hi I am facing a problem in a VC 6.0 application. I change the size of a structure by around 28 K and then if I run the system , the system throws up Stack Overflow error. I am not able to understand the reason behind this. Can I change the number of stack frames somehow? Also, I am running Winnt. regards Aashish Suchdev Hughes Software Systems India "DISCLAIMER: This message is proprietary to Hughes Software Systems Limited (HSS) and is intended solely for the use of the individual to whom it is addressed. It may contain privileged or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. HSS accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus."