If I click on the "Check for updates" in the bar, there appears a "You have the last version" message. AFTER THIS, when selecting "Configure..." in the updates menu (same button, arrow), an "Invalid access to memory message" appears.
Using WinSCP 3.7.5, build 294 on WinXP, Service Pack 2.
*Excellent* program, version 3.7 is great. Keep going :D.