I am trying to install an extension in Firefox 45 (same happens with Firefox 49), but Firefox does not allow me to do that, indicating that This add-on could
.net-core-authorization
git-rerere
search-dialog
alphabetical
ryu
windows-mobile-6
simulation
zfdoctrine
gforth
thread-sanitizer
app-signing
android-viewflipper
peekmessage
articulate
karma-webpack
titanium-alloy
fully-qualified-naming
richtextediting
hibernate-validator
jsonobjectrequest
dart-mockito
gui-test-framework
blacklist
template-meta-programming
circletype
post-increment
api-manager
telnetlib
system-on-chip
dartz