Check your memory limit in php.ini. It should be 16MB as minimum, may be more if php runs as cgi. grtx Andreas Rutger Meekers schrieb: > Goodmorning, > > I have a very weird problem with Typo3. > > When I install extensions (Templavoila, sysinfo, ftpbrowser) it gives me > an internal server error, so it doesn't work ...