similar issue here
https://answers.atlassian.com/questions/134967/i-cannot-attach-a-file-to-an-issue-collector-when-using-ie9-i-keep-getting-unknown-server-error-firefox-and-chrome-work-fine-but-ie-won-t-allow-me-to-attach-a-file-is-there-any-way-to-remedy-this-situation
Yes, I already tryed to do everything it says on this issue, but still getting error.
try this
iexplore.exe -extoff
Rambanam, I did all item 1 and still getting error. I didn't understand the item 2.
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