TYPO3 Exception 1342635425

Could not access remote resource "..."

If this error comes directly after installation, activate cUrl support in Install-Tool.

[SYS][curlUse] = 1
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If you use a local XAMPP Installation and the error still occurs with cUrl, than it's maybe a problem with the certificate. The problem is cUrl quit with this message "SSL certificate problem: unable to get local issuer certificate".