diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 485c5bdb37..ef50e08453 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -122,6 +122,7 @@
 		<li>[Fix] Set connection encoding for MySQL versions 4.1.0 to 4.1.2. This may fix some conversion issues with special characters. (Bug #41805)</li>
 		<li>[Fix] Deleting private message attachments could delete post attachments. (Bug #42815)</li>
 		<li>[Fix] Do not suppress PHP notices/errors in language packs if DEBUG_EXTRA mode enabled. (Bug #41485)</li>
+		<li>[Fix] Flash files do not display anymore after update to flash player 10 (Bug #41315)</li>
 		<li>[Change] Allow download of conflicting file for later reference in automatic updater</li>
 		<li>[Change] Default difference view is now 'inline' instead of 'side by side'</li>
 		<li>[Change] Added new option for merging differences to conflicting files in automatic updater</li>
diff --git a/phpBB/download/file.php b/phpBB/download/file.php
index 309a136e3a..f71afb670e 100644
--- a/phpBB/download/file.php
+++ b/phpBB/download/file.php
@@ -465,24 +465,34 @@ function send_file_to_browser($attachment, $upload_dir, $category)
 	// Send out the Headers. Do not set Content-Disposition to inline please, it is a security measure for users using the Internet Explorer.
 	$is_ie8 = (strpos(strtolower($user->browser), 'msie 8.0') !== false);
 	header('Content-Type: ' . $attachment['mimetype']);
+
 	if ($is_ie8)
 	{
 		header('X-Content-Type-Options: nosniff');
 	}
-	if (empty($user->browser) || (!$is_ie8 && (strpos(strtolower($user->browser), 'msie') !== false)))
+
+	if ($category == ATTACHMENT_CATEGORY_FLASH && request_var('view', 0) === 1)
 	{
-		header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
-		if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false))
-		{
-			header('expires: -1');
-		}
+		// We use content-disposition: inline for flash files and view=1 to let it correctly play with flash player 10 - any other disposition will fail to play inline
+		header('Content-Disposition: inline');
 	}
 	else
 	{
-		header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
-		if ($is_ie8 && (strpos($attachment['mimetype'], 'image') !== 0))
+		if (empty($user->browser) || (!$is_ie8 && (strpos(strtolower($user->browser), 'msie') !== false)))
 		{
-			header('X-Download-Options: noopen');
+			header('Content-Disposition: attachment; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
+			if (empty($user->browser) || (strpos(strtolower($user->browser), 'msie 6.0') !== false))
+			{
+				header('expires: -1');
+			}
+		}
+		else
+		{
+			header('Content-Disposition: ' . ((strpos($attachment['mimetype'], 'image') === 0) ? 'inline' : 'attachment') . '; ' . header_filename(htmlspecialchars_decode($attachment['real_filename'])));
+			if ($is_ie8 && (strpos($attachment['mimetype'], 'image') !== 0))
+			{
+				header('X-Download-Options: noopen');
+			}
 		}
 	}
 
diff --git a/phpBB/includes/functions_content.php b/phpBB/includes/functions_content.php
index 21c595053f..1859941c76 100644
--- a/phpBB/includes/functions_content.php
+++ b/phpBB/includes/functions_content.php
@@ -998,6 +998,7 @@ function parse_attachments($forum_id, &$message, &$attachments, &$update_count,
 						'S_FLASH_FILE'	=> true,
 						'WIDTH'			=> $width,
 						'HEIGHT'		=> $height,
+						'U_VIEW_LINK'	=> $download_link . '&amp;view=1',
 					);
 
 					// Viewed/Heared File ... update the download count
diff --git a/phpBB/styles/prosilver/template/attachment.html b/phpBB/styles/prosilver/template/attachment.html
index 7472abaee6..cc5aacff2f 100644
--- a/phpBB/styles/prosilver/template/attachment.html
+++ b/phpBB/styles/prosilver/template/attachment.html
@@ -61,13 +61,13 @@
 
 		<!-- ELSEIF _file.S_FLASH_FILE -->
 			<object classid="clsid:D27CDB6E-AE6D-11CF-96B8-444553540000" codebase="http://active.macromedia.com/flash2/cabs/swflash.cab#version=5,0,0,0" width="{_file.WIDTH}" height="{_file.HEIGHT}">
-				<param name="movie" value="{_file.U_DOWNLOAD_LINK}" />
+				<param name="movie" value="{_file.U_VIEW_LINK}" />
 				<param name="play" value="true" />
 				<param name="loop" value="true" />
 				<param name="quality" value="high" />
 				<param name="allowScriptAccess" value="never" />
 				<param name="allowNetworking" value="internal" />
-				<embed src="{_file.U_DOWNLOAD_LINK}" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" width="{_file.WIDTH}" height="{_file.HEIGHT}" play="true" loop="true" quality="high" allowscriptaccess="never" allownetworking="internal"></embed>
+				<embed src="{_file.U_VIEW_LINK}" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" width="{_file.WIDTH}" height="{_file.HEIGHT}" play="true" loop="true" quality="high" allowscriptaccess="never" allownetworking="internal"></embed>
 			</object>
 		<!-- ELSEIF _file.S_QUICKTIME_FILE -->
 			<object id="qtstream_{_file.ATTACH_ID}" classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab#version=6,0,2,0" width="0" height="16">