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XF 1.4 Server Error

in first sry for my bad english.
i have a Brand New Windows server 2012 With Plesk .
ASP 8.5.9600.16384
ASP.NET 4.5.1
FastCGI Support 8.5.9600.16384
Perl v5.10.1 built for MSWin32-x86-multi-thread
PHP 5.4.30
PHP 5.5.14
SSI 8.5.9600.16384
(just change the upload and Post max size )
Set up Forum no Problem but when i want Install or Deinstall anything then stop the Prozess in the
run/defered Prozessur.
Error say just :
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
But i have nothing in the server log ???

and i have make the latest update from xenforo .
Rebuild not work same error .


Well-known member
That error is too vague, an ISE 500 can imply a lot of things. What is the actual error logged within your server's error logs?


XenForo developer
Staff member
Something like this should be logged in your Apache error log (usually in a specific logs directory or within the Apache install directory), but I'm unsure if your VHost configuration will place a specific log elsewhere.