Can't install add-ons - Proxies
[Locked as a duplicate of https://support.mozilla.org/en-US/questions/1258808. Please follow up there, thanks.]
I opened another case for Proxy SwitchyOmega, I tried also FoxyProxy and same problem. It looks something wrong with version 6.0.55
''[Locked as a duplicate of https://support.mozilla.org/en-US/questions/1258808. Please follow up there, thanks.]''
I opened another case for Proxy SwitchyOmega, I tried also FoxyProxy and same problem. It looks something wrong with version 6.0.55
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