[Big Bug]6.0.260 doPDF installer will modify Environment Variable "Path" type to "REG_SZ".
"Path" type modify to "REG_SZ", In the "Path" variable(%SystemRoot%,etc.) will be invalid.
%SystemRoot%\system32\WBEM
Security Center cannot surveillance firewall and anti-virus.
%SystemRoot%\system32
Command Prompt(cmd.exe) on Default Path(%HOMEDRIVE%%HOMEPATH%) cannot run system tool.(help, chkdsk, format, etc.)