Firefox instacrash - ???

I haven't been able to get Firefox working on my Hac. It's 10.13.1 currently, and upon starting the app, I get the following crash.

• https://i.imgur.com/EUR3D9s.png

Some stuff in the problem report:

Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY

Termination Reason: DYLD, [0x1] Library missing

Application Specific Information: dyld: launch, loading dependent libraries DYLD_LIBRARY_PATH=/Applications/Internet:Networking/Firefox.app/Contents/MacOS

Dyld Error Message: Library not loaded: @executable_path/libnss3.dylib Referenced from: /Applications/Internet:Networking/Firefox.app/Contents/MacOS/crashreporter.app/Contents/MacOS/crashreporter Reason: image not found

Any ideas?