I am having the same problem. I have tried multiple times over the past few days (October 23rd-26th 2015) and i get this error when trying to install.
—> Crash <—
Exception: c0000417
App: Gw2.exe
Pid: 9232
Cmdline:
BaseAddr: 013A0000
ProgramId: 101
Build: 54566
Module: LavasoftTcpService.dll
When: 2015-10-26T17:09:01Z 2015-10-26T13:09:01-04:00
Uptime: 0 days 0:04:25
Flags: 0
Please post solutions so i can continue playing!