IE, FireFox, and other executable will not run

I was in the process installing a new Ubiquity Unifi AP. After I installed the Unifi AP application, I attempted to run it and was greeted with the error: Unable to find javam.exe. I did a search, found javam.exe and drilled down to it via the error message. Now the following programs will not work: IE, command prompt, Firefox, Word, Excel, etc. When I click on any of them I get "View Downloads - Internet Explorer" with the name of the executable listed with Run or Save. If I click run, it cycles. Any ideas? Screen shot attached.
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JohnBusiness Consultant (Owner)Commented:
Did you try uninstalling the access point?
YortAuthor Commented:
@John_Hurst - I did, but the problem persists.
JohnBusiness Consultant (Owner)Commented:
Assuming a modern operating system, try running System File Checker.

Open cmd.exe with Run as Administrator and run SFC /SCANNOW. Allow to complete, restart and test.

If Windows 8.1, you can also run DISM if SFC does not help.

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YortAuthor Commented:
@John_Hurst - Thank you so much for suggestions, however, I am not able to run a command prompt at all.
JohnBusiness Consultant (Owner)Commented:
Can you restart in Safe Mode and try a command prompt?   For Windows 7, shut down, start up and press F8 while starting.

Windows 8 safe mode is more difficult.
Alessandro ScafariaInfrastructure Premier Field AdministratorCommented:
Try to perform a full malware scan with Kaspersky Rescue Live Disk:

Download the ISO, burn it into a CD and start your PC from there bypassing your Hard drive....a simple wizard will help you in a full scan of your system (It would take some time).....

Let us now.....

By the way....what's your operating system? 32 or 64 bits? Windows version?
YortAuthor Commented:
It took several passes, but running SFC finally fixed the issue. Thank you very much!!!
JohnBusiness Consultant (Owner)Commented:
@Yort  - Thanks for the update and I was happy to help.
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