MiKTeX Problem Report
Message: Windows API error 145: The directory is not empty.

Data: C:\Temp\MikTeXPortable\miktex\temp\mik8012
Source: Libraries\MiKTeX\Core\win\winFile.cpp
Line: 115
MiKTeX: 2.9
OS: Microsoft Windows 7 Home Premium Edition, 64-bit Service Pack 1 (build 7601)
Invokers: non-existing/miktex-taskbar-icon
SystemAdmin: no
PowerUser: no
Root0: C:\Temp\MikTeXPortable
Root1: C:\localtexmf
UserInstall: C:\Temp\MikTeXPortable
UserConfig: C:\Temp\MikTeXPortable
UserData: C:\Temp\MikTeXPortable
CommonInstall: C:\Temp\MikTeXPortable
CommonConfig: C:\Temp\MikTeXPortable
CommonData: C:\Temp\MikTeXPortable