[b]I solved the problem updating my Windows XP to SP3.[/b] SP2 doesn't support SHA-256 certificates which are used by sites like twitter etc.
Posts made by pak77
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	RE: How to skip an "Invalid certificate"?Opera for Windows
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	RE: How to skip an "Invalid certificate"?Opera for WindowsIm having the same problem. I get this message on twitter and pinterest and i cannot skip it.