diff --git a/cfgs/config/advanced.cfg b/cfgs/config/advanced.cfg
index eff3539..a00aa37 100644
--- a/cfgs/config/advanced.cfg
+++ b/cfgs/config/advanced.cfg
@@ -1320,6 +1320,7 @@ XLATESCSET MNEMONIC     CP850       MNE_850.ESC
 include charsets.cfg ; This list is generated using allowed character translation table files
 
 // Exclusion from charsets.cfg (non-standard charsets names)
+// See also XLATCHARSETALIAS
 XLATCHARSET MAC       MAC          mac_mac.chs
 XLATCHARSET UKR       CP866        ukr_866.chs
 XLATCHARSET UKR       KOI8-R       ukr_koi.chs
@@ -1328,19 +1329,17 @@ XLATCHARSET UKR       UKR          ukr_ukr.chs
 XLATCHARSET CP866     UKR          866_ukr.chs
 XLATCHARSET KOI8-U    UKR          kou_ukr.chs
 XLATCHARSET CP866     WIN          866_win.chs
-XLATCHARSET WIN       +7_FIDO      win_866.chs
-XLATCHARSET +7_FIDO   +7_FIDO      866_866.chs
-XLATCHARSET +7_FIDO   ISO8859-5    866_ISO.chs
-XLATCHARSET +7_FIDO   KOI8-R       866_koi.chs
-XLATCHARSET +7_FIDO   KOI8-U       866_kou.chs
-XLATCHARSET +7_FIDO   CP1125       866_ukr.chs
-XLATCHARSET +7_FIDO   CP1251       866_win.chs
-XLATCHARSET KOI8-R    +7_FIDO      koi_866.chs
-XLATCHARSET KOI8-U    +7_FIDO      kou_866.chs
-XLATCHARSET CP1125    +7_FIDO      ukr_866.chs
-XLATCHARSET CP1251    +7_FIDO      win_866.chs
-
-
+//XLATCHARSET WIN       +7_FIDO      win_866.chs
+//XLATCHARSET +7_FIDO   +7_FIDO      866_866.chs
+//XLATCHARSET +7_FIDO   ISO8859-5    866_ISO.chs
+//XLATCHARSET +7_FIDO   KOI8-R       866_koi.chs
+//XLATCHARSET +7_FIDO   KOI8-U       866_kou.chs
+//XLATCHARSET +7_FIDO   CP1125       866_ukr.chs
+//XLATCHARSET +7_FIDO   CP1251       866_win.chs
+//XLATCHARSET KOI8-R    +7_FIDO      koi_866.chs
+//XLATCHARSET KOI8-U    +7_FIDO      kou_866.chs
+//XLATCHARSET CP1125    +7_FIDO      ukr_866.chs
+//XLATCHARSET CP1251    +7_FIDO      win_866.chs
 
 // Import charsets (8-bit to 8-bit) - see charsets.cfg
 ;XLATCHARSET AUTO        IBMPC       ISO_IBM.CHS
@@ -1414,6 +1413,12 @@ XLATCHARSET CP1251    +7_FIDO      win_866.chs
 // This defines charset aliases for import tables.
 ;XLATCHARSETALIAS "charset" "alias1" "alias2"...
 ;XLATCHARSETALIAS ISO-11 ISO-8859-11 ISO8859-11
+// Common invalid configurations
+XLATCHARSETALIAS CP866 CP-866 +7FIDO +7_FIDO FIDO7 FIDO_7
+XLATCHARSETALIAS KOI8-R KOI8R KOI KOI8 GOST
+XLATCHARSETALIAS KOI8-U KOI8U KOU KOI-U
+//XLATCHARSETALIAS ISO8859-5 ISO
+XLATCHARSETALIAS CP1251 CP-1251 WIN WIN-1251 WINDOWS-1251
 
 // The character set that incoming messages are assumed to have.
 XLATIMPORT IBMPC     ; Default
diff --git a/cfgs/config/advanced.rus b/cfgs/config/advanced.rus
index 7b3e8e4..c80ff62 100644
--- a/cfgs/config/advanced.rus
+++ b/cfgs/config/advanced.rus
@@ -1557,13 +1557,13 @@ include charsets.cfg
 // Исключения из описанного в файле charsets.cfg
 // Основные таблицы импорта (8-bit -> 8-bit)
 XlatCharSet  AUTO       CP866       866_866.chs
-XlatCharSet  KOI8R      CP866       K8R_866.chs
-XlatCharSet  KOI8-R     CP866       KOI_866.chs
-XlatCharSet  CP1251     CP866       UKR_866.chs
+;XlatCharSet  KOI8R      CP866       K8R_866.chs
+;XlatCharSet  KOI8-R     CP866       KOI_866.chs
+;XlatCharSet  CP1251     CP866       UKR_866.chs
 XlatCharSet  LATIN1QP   CP866       K8R_866.chs
 XlatCharSet  ISO        CP866       ISO_866.chs
 XlatCharSet  CP1125     CP866       UKR_866.chs
-XlatCharSet  KOI8U      CP866       KOU_866.chs
+;XlatCharSet  KOI8U      CP866       KOU_866.chs
 XlatCharSet  KOI8-U     CP866       KOU_866.chs
 XlatCharSet  LATIN-1    CP866       ISO_866.chs
 XlatCharSet  MAC        CP866       MAC_866.chs
@@ -1637,7 +1637,7 @@ XlatCharSet UK          ASCII       uk__asc.chs
 XlatCharSet CP866       CP1251      866_1251.chs
 XlatCharSet CP866       KOI8-R      866_KOI.chs
 XlatCharSet CP866       LATIN1QP    866_IQP.chs
-XlatCharSet CP866       +7_FIDO     RUS_FTN.chs
+;XlatCharSet CP866       +7_FIDO     RUS_FTN.chs
 XlatCharSet CP866       ISO         866_ISO.chs
 XlatCharSet CP866       LATIN-1     866_ISO.chs
 XlatCharSet CP866       MAC         866_MAC.chs
@@ -1659,6 +1659,12 @@ XlatCharSet CP850       ASCII       850_ASC.chs
 ;XLATCHARSETALIAS "charset" "alias1" "alias2"...
 ;XLATCHARSETALIAS KOI8-R KOI8R
 ;XLATCHARSETALIAS ISO ISO-8859-5 ISO8859-5
+// Часто встречающиеся ошибки
+XLATCHARSETALIAS CP866 CP-866 +7FIDO +7_FIDO FIDO7 FIDO_7 IBMPC
+XLATCHARSETALIAS KOI8-R KOI8R KOI KOI8 GOST
+XLATCHARSETALIAS KOI8-U KOI8U KOU KOI-U
+XLATCHARSETALIAS ISO8859-5 ISO
+XLATCHARSETALIAS CP1251 CP-1251 WIN WIN-1251 WINDOWS-1251
 
 // Определение входящей кодировки по умолчанию. Если приходящее
 // сообщение не имеет клуджа ^CHRS, то будет считаться, что оно