"Switch User" results in black screen

I'm running a generic Acer laptop, Windows 7 home premium, Fresh Install about 6 months ago. I am now working from home and had to create a "work" profile (call it profile-2), I just created a secondary profile, and named it "work", there is nothing really special about it other than I had to install some proprietary software in order to access the company website, along with modifying a few settings to allow access through firewall, UAC, etc...(however, this software/settings will work for all profiles, it is not profile specific). Now If I am in my "normal" profile (profile-1), and I go to Start>> Switch User, the pc pauses that profile, and gives me the screen with all the user profiles. However, if I am in profile-2, and Start>>Switch User, it results in a black screen, which requires me to hold power button and do a hard shut-down, and restart, also clicking shutdown from profile-2 ends the same way, stuck on black screen requiring hard-shutdown.

It only happens when in profile-2, profile-1 works perfect in every way Windows can. I know it has something to do with the company software/settings, and that might require me to access the company help desk, but that is such a pain, and I figure I'm not the first person to have this problem, so I thought I would give you guys a shot at solving it first. So if anyone has any ideas, or if you need more information please let me know.

Thanks in advance.

Can you Log Off and Log back onto any other profile with no problem? That may need to suffice.

Check for infection, spyware, System File Integrity, try another AV to compare (frequent solution), establish a Clean Boot for all Users, cull logs to resolve repeat errors and the other Troubleshooting Steps for Windows 7

Yes, when in the other profile, I click switch user, two minutes later, I'm in the other profile. But from this profile, it just goes to black screen.