winscp 4.2.6 build721 error

from(oplife@163.com):I use winscp in my office to connect my remote server, when I finished my work, I do not close connection of Winscp, and then I made my computer hibernate. when I reopen my computer after 1hour, the Winscp alert an error message:

Assertion failed: random_active >=0, file putty\SSHRAND.C, line 242

and when I clicked "OK", winscp alert another error message:

Abnormal program termination

Thanks for your post. This bug has been added to tracker.