diff --git a/advagg.install b/advagg.install
index 30ba93a..ac4d8ba 100644
--- a/advagg.install
+++ b/advagg.install
@@ -250,7 +250,7 @@ function advagg_requirements($phase) {
       $requirements['advagg_css_path'] = array(
         'title' => $t('Adv CSS/JS Agg - CSS Path'),
         'severity' => REQUIREMENT_ERROR,
-        'value' => $t('CSS directory is not created or writable'),
+        'value' => $t('CSS directory is not created or writable.'),
         'description' => $t('%path is not setup correctly.', array('%path' => $css_path)),
       );
     }
@@ -258,7 +258,7 @@ function advagg_requirements($phase) {
       $requirements['advagg_js_path'] = array(
         'title' => $t('Adv CSS/JS Agg - JS Path'),
         'severity' => REQUIREMENT_ERROR,
-        'value' => $t('JS directory is not created or writable'),
+        'value' => $t('JS directory is not created or writable.'),
         'description' => $t('%path is not setup correctly.', array('%path' => $js_path)),
       );
     }
@@ -285,10 +285,10 @@ function advagg_requirements($phase) {
     $item = menu_get_item($css_path[1] . '/test.css');
     if (empty($item['page_callback']) || strpos($item['page_callback'], 'advagg') === FALSE) {
       $item = str_replace('    ', '    ', nl2br(htmlentities(print_r($item, TRUE))));
-      $requirements['advagg_async_generation_menu_issue'] = array(
+      $requirements['advagg_async_generation_menu_issue_css'] = array(
         'title' => $t('Adv CSS/JS Agg - Async Mode'),
         'severity' => REQUIREMENT_WARNING,
-        'value' => $t('Flush your caches'),
+        'value' => $t('Flush your caches.'),
         'description' => $t('You need to flush your menu cache. This can be done at the top of the <a href="@performance">performance page</a>. If this does not fix the issue copy this info below when opening up an <a href="http://drupal.org/node/add/project-issue/advagg">issue for advagg</a>: <br /> !info', array(
           '@performance' => url('admin/config/development/performance'),
           '!info' => $item,
@@ -298,10 +298,10 @@ function advagg_requirements($phase) {
     $item = menu_get_item($js_path[1] . '/test.js');
     if (empty($item['page_callback']) || strpos($item['page_callback'], 'advagg') === FALSE) {
       $item = str_replace('    ', '&nbsp;&nbsp;&nbsp;&nbsp;', nl2br(htmlentities(print_r($item, TRUE))));
-      $requirements['advagg_async_generation_menu_issue'] = array(
+      $requirements['advagg_async_generation_menu_issue_js'] = array(
         'title' => $t('Adv CSS/JS Agg - Async Mode'),
         'severity' => REQUIREMENT_WARNING,
-        'value' => $t('Flush your caches'),
+        'value' => $t('Flush your caches.'),
         'description' => $t('You need to flush your menu cache. This can be done near the top of the <a href="@performance">performance page</a> under Clear cache. If this does not fix the issue copy this info below when opening up an <a href="http://drupal.org/node/add/project-issue/advagg">issue for advagg</a>: <br /> !info', array(
           '@performance' => url('admin/config/development/performance'),
           '!info' => $item,
@@ -309,6 +309,64 @@ function advagg_requirements($phase) {
       );
     }
 
+    // Check to see if any incompatible modules are installed.
+    if (module_exists('agrcache')) {
+      $requirements['advagg_module_agrcache'] = array(
+        'title' => $t('Adv CSS/JS Agg - Aggregate cache module'),
+        'severity' => REQUIREMENT_ERROR,
+        'value' => $t('The Aggregate cache module is incompatible with AdvAgg.'),
+        'description' => $t('You need to uninstall the agrcache module or uninstall AdvAgg.'),
+      );
+    }
+    if (module_exists('bundle_aggregation')) {
+      $requirements['advagg_module_bundle_aggregation'] = array(
+        'title' => $t('Adv CSS/JS Agg - Bundle aggregation module'),
+        'severity' => REQUIREMENT_ERROR,
+        'value' => $t('The Bundle aggregation module is incompatible with AdvAgg.'),
+        'description' => $t('You need to uninstall the bundle_aggregation module or uninstall AdvAgg.'),
+      );
+    }
+    if (module_exists('core_library')) {
+      $requirements['advagg_module_core_library'] = array(
+        'title' => $t('Adv CSS/JS Agg - Core Library module'),
+        'severity' => REQUIREMENT_ERROR,
+        'value' => $t('The Core Library module is incompatible with AdvAgg.'),
+        'description' => $t('You need to uninstall the core_library module or uninstall AdvAgg.'),
+      );
+    }
+
+    // Make sure some modules have the correct patches installed.
+    if (module_exists('css_emimage')) {
+      $file_path = drupal_get_path('module', 'css_emimage');
+      if (!file_exists($file_path . '/css_emimage.advagg.inc')) {
+        $requirements['advagg_module_css_emimage_patch'] = array(
+          'title' => $t('Adv CSS/JS Agg - CSS Embedded Images module'),
+          'severity' => REQUIREMENT_ERROR,
+          'value' => $t('The CSS Embedded Images module needs to be updated.'),
+          'description' => $t('<a href="@link">CSS Embedded Images</a> needs to be upgraded to version 1.3 or higher, the currently installed version is incompatible with AdvAgg.', array('@link' => 'http://drupal.org/project/css_emimage')),
+        );
+      }
+    }
+    if (module_exists('cdn')) {
+      $file_path = drupal_get_path('module', 'cdn');
+      if (!file_exists($file_path . '/cdn.advagg.inc')) {
+        $requirements['advagg_module_cdn_patch'] = array(
+          'title' => $t('Adv CSS/JS Agg - CDN module'),
+          'severity' => REQUIREMENT_ERROR,
+          'value' => $t('The CDN module needs a patch to be compatible with AdvAgg.'),
+          'description' => $t('You need to install the latest patch in <a href="@link">this issue</a>.', array('@link' => 'http://drupal.org/node/1942230')),
+        );
+      }
+      elseif (variable_get(CDN_BASIC_FARFUTURE_VARIABLE, CDN_BASIC_FARFUTURE_DEFAULT)) {
+        $requirements['advagg_module_cdn_farfuture'] = array(
+          'title' => $t('Adv CSS/JS Agg - CDN module'),
+          'severity' => REQUIREMENT_WARNING,
+          'value' => $t('The CDN module and farfutre do not work together currently.'),
+          'description' => $t('You need to disable CDN Far Future expiration on the <a href="@link">CDN details configuration page, or uninstall AdvAgg.</a>', array('@link' => url('admin/config/development/cdn/details'))),
+        );
+      }
+    }
+
     // Make sure http requests will work correctly.
     advagg_install_check_via_http($requirements);