WinGHCi freezes, reinstall doesn't help.

```
What steps will reproduce the problem?
1. Tried to :set prompt "λ> "
2. WinGHCi crashed. After starting again if freezes after visualizing the
window.
3. After reinstall of Haskell platform everything remains the same - WinGHCi
freezes after start.

What is the expected output? What do you see instead?
The WinGHCi window is Not Responding.

What version of the product are you using? On what operating system?
WinGHCi - the one that comes with Haskell Platform 2012.4.0.0. OS - Windows 7
Ultimate x64.

Please provide any additional information below.
Tried to find any remaining .conf files after the second uninstall of Haskell
Platform that may cause the problem but couldn't find any. Meanwhile GHCi works
just fine in cmd.

```

Original issue reported on code.google.com by `kpresna...@gmail.com` on 11 Jan 2013 at 3:32

Attachments:
- [NR.png](https://storage.googleapis.com/google-code-attachments/winghci/issue-3/comment-0/NR.png)