diff --git a/client/acct_setup.cpp b/client/acct_setup.cpp
index 28540a577b..b730cdf6b0 100644
--- a/client/acct_setup.cpp
+++ b/client/acct_setup.cpp
@@ -204,7 +204,7 @@ int GET_PROJECT_LIST_OP::do_rpc() {
     int retval;
     char buf[256];
 
-    sprintf(buf, "http://boinc.berkeley.edu/project_list.php");
+    sprintf(buf, "https://boinc.berkeley.edu/project_list.php");
     retval = gui_http->do_rpc(
         this, buf, ALL_PROJECTS_LIST_FILENAME_TEMP, true
     );
diff --git a/client/client_state.cpp b/client/client_state.cpp
index 6b10c11d99..cc90bb362f 100644
--- a/client/client_state.cpp
+++ b/client/client_state.cpp
@@ -667,7 +667,7 @@ int CLIENT_STATE::init() {
     retval = write_state_file();
     if (retval) {
         msg_printf_notice(NULL, false,
-            "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=statefile",
+            "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=statefile",
             _("Couldn't write state file; check directory permissions")
         );
         cant_write_state_file = true;
@@ -792,7 +792,7 @@ int CLIENT_STATE::init() {
             "This computer is not attached to any projects"
         );
         msg_printf(NULL, MSG_INFO,
-            "Visit http://boinc.berkeley.edu for instructions"
+            "Visit https://boinc.berkeley.edu for instructions"
         );
     }
 
diff --git a/client/cs_cmdline.cpp b/client/cs_cmdline.cpp
index 21520bac1f..6ee61d6983 100644
--- a/client/cs_cmdline.cpp
+++ b/client/cs_cmdline.cpp
@@ -299,7 +299,7 @@ void CLIENT_STATE::parse_env_vars() {
             break;
         default:
             msg_printf_notice(0, false,
-                "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=proxy_env",
+                "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=proxy_env",
                 _("The HTTP_PROXY environment variable must specify an HTTP proxy")
             );
         }
diff --git a/client/cs_statefile.cpp b/client/cs_statefile.cpp
index e7e435c13c..0e1671ea33 100644
--- a/client/cs_statefile.cpp
+++ b/client/cs_statefile.cpp
@@ -845,7 +845,7 @@ void CLIENT_STATE::check_anonymous() {
         retval = parse_app_info(p, f);
         if (retval) {
             msg_printf_notice(p, false,
-                "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=app_info",
+                "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=app_info",
                 "%s",
                 _("Syntax error in app_info.xml")
             );
diff --git a/client/current_version.cpp b/client/current_version.cpp
index 7231666897..1fb691edc1 100644
--- a/client/current_version.cpp
+++ b/client/current_version.cpp
@@ -86,7 +86,7 @@ static bool parse_version(FILE* f, char* new_version, int len) {
 static void show_newer_version_msg(const char* new_vers) {
     if (cc_config.client_new_version_text.empty()) {
         msg_printf_notice(0, true,
-            "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=download",
+            "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=download",
             "%s (%s). <a href=%s>%s</a>",
             _("A new version of BOINC is available"),
             new_vers,
diff --git a/client/log_flags.cpp b/client/log_flags.cpp
index 04554ca6a0..4aab8d8a38 100644
--- a/client/log_flags.cpp
+++ b/client/log_flags.cpp
@@ -311,7 +311,7 @@ int CC_CONFIG::parse_options_client(XML_PARSER& xp) {
     while (!xp.get_tag()) {
         if (!xp.is_tag) {
             msg_printf_notice(NULL, false,
-                "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+                "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
                 "%s: %s",
                 _("Unexpected text in cc_config.xml"),
                 xp.parsed_tag
@@ -465,7 +465,7 @@ int CC_CONFIG::parse_options_client(XML_PARSER& xp) {
         if (xp.parse_bool("vbox_window", vbox_window)) continue;
 
         msg_printf_notice(NULL, false,
-            "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+            "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
             "%s: <%s>",
             _("Unrecognized tag in cc_config.xml"),
             xp.parsed_tag
@@ -482,7 +482,7 @@ int CC_CONFIG::parse_client(FILE* f) {
     mf.init_file(f);
     if (!xp.parse_start("cc_config")) {
         msg_printf_notice(NULL, false,
-            "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+            "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
             "%s",
             _("Missing start tag in cc_config.xml")
         );
@@ -491,7 +491,7 @@ int CC_CONFIG::parse_client(FILE* f) {
     while (!xp.get_tag()) {
         if (!xp.is_tag) {
             msg_printf_notice(NULL, false,
-                "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+                "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
                 "%s: %s",
                 _("Unexpected text in cc_config.xml"),
                 xp.parsed_tag
@@ -510,7 +510,7 @@ int CC_CONFIG::parse_client(FILE* f) {
             int retval = parse_options_client(xp);
             if (retval) {
                 msg_printf_notice(NULL, false,
-                    "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+                    "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
                     "%s",
                     _("Error in cc_config.xml options")
                 );
@@ -520,7 +520,7 @@ int CC_CONFIG::parse_client(FILE* f) {
         if (xp.match_tag("options/")) continue;
         if (xp.match_tag("log_flags/")) continue;
         msg_printf_notice(NULL, false,
-            "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+            "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
             "%s: <%s>",
             _("Unrecognized tag in cc_config.xml"),
             xp.parsed_tag
@@ -528,7 +528,7 @@ int CC_CONFIG::parse_client(FILE* f) {
         xp.skip_unexpected(true, "CC_CONFIG.parse");
     }
     msg_printf_notice(NULL, false,
-        "http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
+        "https://boinc.berkeley.edu/manager_links.php?target=notice&controlid=config",
         "%s",
         _("Missing end tag in cc_config.xml")
     );