I have checked %TEMP%and %TMP% environment variables, They haven't a space in the path.
%TEMP%environment variables： %USERPROFILE%\AppData\Local\Temp
%TMP%environment variables： %USERPROFILE%\AppData\Local\Temp
c:\> set
TEMP=C:\Users\ADMINI~1\AppData\Local\Temp\1
TMP=C:\Users\ADMINI~1\AppData\Local\Temp\1
Path=C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Java\jdk1.6.0_20\bin;C:\ProgramFiles (x86)\Dell\SysMgt\shared\bin;C:\Program Files (x86)\Dell\SysMgt\oma\bin;C:\Program Files (x86)\Dell\SysMgt\idrac;C:\Program Files (x86)\Dell\SysMgt\rac5;C:\Program Files\QLogic Corporation\QConvergeConsoleCLI\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\Tools\Binn\;C:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\