KVIrc: crash in win32k when connecting to irc server

Each time trying to run KVirc 3.2.3, get this:

Entered debugger on last-chance exception (Exception Code: 0xc0000005) (Page Fault)
Memory at 0x0137FFFC could not be read: Page not present.
kdb:> bt
Eip:
<win32k.sys:3cf0a (subsystems/win32/win32k/dib/dib1bpp.c:167 (DIB_1BPP_BitBltSrcCopy))>
Frames:
<win32k.sys:45c08 (subsystems/win32/win32k/eng/copybits.c:158 (EngCopyBits@24))>
<win32k.sys:7f336 (subsystems/win32/win32k/objects/dibobj.c:261 (@IntSetDIBits@28))>
<win32k.sys:7f6b9 (subsystems/win32/win32k/objects/dibobj.c:306 (NtGdiSetDIBits@28))>
<win32k.sys:7f767 (subsystems/win32/win32k/objects/dibobj.c:774 (NtGdiStretchDIBits@52))>
<NTOSKRNL.EXE:8927a (ntoskrnl/ke/i386/trap.s:244 (KiFastCallEntry))>
<ntdll.dll:834a>
<qt-mt334.dll:106e9>