http://bugs.winehq.org/show_bug.cgi?id=34257
--- Comment #19 from Hans Leidekker hans@meelstraat.net 2013-08-15 13:06:31 CDT ---
0009:trace:secur32:AcquireCredentialsHandleW (null) L"Microsoft Unified Security Protocol Provider" 2 (nil) (nil) (nil) (nil) 0x7e028eb8 (nil) 0009:warn:winhttp:ensure_cred_handle AcquireCredentialsHandleW failed: 2148074245
That's SEC_E_SECPKG_NOT_FOUND. Does this also happen in a fresh prefix?