Index: typo3/mod/tools/em/class.em_index.php
===================================================================
--- typo3/mod/tools/em/class.em_index.php	(revision 6107)
+++ typo3/mod/tools/em/class.em_index.php	(working copy)
@@ -1309,11 +1309,15 @@
 				$content = $this->doc->startPage('Extension Manager');
 				$content.= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
 				$contentParts=explode('###CONTENT###',$content);
-				ob_end_flush();
 				echo $contentParts[0].$this->content;
 
+					// sometimes there seem to more levels of output buffers, so end all
+				while (ob_get_level()) {
+					flush();
+					ob_end_flush();
+				}
+
 				$this->doPrintContent = FALSE;
-				flush();
 
 				echo '
 				<br />
@@ -1350,7 +1354,6 @@
 					</script>
 					');
 
-					flush();
 					$translationStatusArr = $this->terConnection->fetchTranslationStatus($extKey,$mirrorURL);
 
 					echo ('<tr class="bgColor4"><td>'.$extKey.'</td>');
@@ -1404,11 +1407,15 @@
 				$content = $this->doc->startPage('Extension Manager');
 				$content.= $this->doc->moduleBody($this->pageinfo, $docHeaderButtons, $markers);
 				$contentParts=explode('###CONTENT###',$content);
-				ob_end_flush();
 				echo $contentParts[0].$this->content;
 
+					// sometimes there seem to more levels of output buffers
+				while (ob_get_level()) {
+					flush();
+					ob_end_flush();
+				}
+
 				$this->doPrintContent = FALSE;
-				flush();
 
 				echo ('
 				<br />
@@ -1445,7 +1452,6 @@
 					</script>
 					');
 
-					flush();
 					$translationStatusArr = $this->terConnection->fetchTranslationStatus($extKey,$mirrorURL);
 
 					echo ('<tr class="bgColor4"><td>'.$extKey.'</td>');