From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.3+) Gecko/20010827) BuildID: 2001082708 If I try to spoof my useragent field by editing user.js in my profile directory, and I specify a browser version of <5, mozilla will not start and generates an error, Reproducible: Always Steps to Reproduce: Add/amend the line in user.js user_pref("general.useragent.override", "Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)"); to match what MSIE uses, and then try and start Mozilla Actual Results: Mozilla does not start with the following messages in my terminal window: INTERNAL ERROR on Browser End: Expected a version > 5! Version = 0 System error?:: Invalid argument Expected Results: Mozilla should start. Setting to Mozilla/5.0 (compatible; MSIE 5.5; Windows NT 4.0) however works fine.
This is a dupe of bug 83376 You can use a spoofed UA String if you disable the Java Plugin.. *** This bug has been marked as a duplicate of 83376 ***
Status: UNCONFIRMED → RESOLVED
Last Resolved: 18 years ago
Resolution: --- → DUPLICATE
Summary: Mozilla won't start with spoofed useragent with version <5 → Mozilla won't start with spoofed useragent with version <5
Status: RESOLVED → VERIFIED
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