Only VIP, MOD, ADMIN level individuals are permitted to post scripts for others to run.
From Security Essentials/Forum Rules by DCIScouts:
"
Additionally
To comply with the wishes of sUBs, the author of combofix, only qualified staff from a reputable anti-malware site are allowed to post combofix scripts here.
Any member seen to be breaking this rule will be subject to a warning and\or infraction, and a possible ban.
This only applies to combofix scripts, recommending a scan with combofix is fine."