diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
index d1171a5d..3d210d7a 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
@@ -5,7 +5,8 @@ import {
   ViewChild,
   OnDestroy,
   EventEmitter,
-  Output
+  Output,
+  NgZone
 } from '@angular/core';
 
 import {
@@ -138,7 +139,8 @@ export class GroupComponent implements OnInit, OnDestroy {
     private dialogService: DialogService,
     private queryProtocolService: QueryProtocolService,
     private translateService: TranslateService,
-    private logger: NGXLogger
+    private logger: NGXLogger,
+    private ngZone: NgZone
   ) {
     this.environmentsInfo = this.sessionStorageService.get<EnvironmentsInfo>(
       KEY_ENVIRONMENTS_INFO
@@ -689,115 +691,126 @@ export class GroupComponent implements OnInit, OnDestroy {
         break;
       case 'SEND_MESSAGE':
         {
-          let receiverList: UserInfo[] = [];
-          const isFavGroup =
-            group.seq < 0 && group.name === 'Favorit' ? true : false;
+          this.ngZone.run(() => {
+            let receiverList: UserInfo[] = [];
+            const isFavGroup =
+              group.seq < 0 && group.name === 'Favorit' ? true : false;
 
-          if (!!isFavGroup) {
-            receiverList = this.favoritBuddyList;
-          } else {
-            const curGroupBuddyList = this.groupBuddyList.filter(
-              groupInfo => groupInfo.group.seq === group.seq
-            );
-            if (!!curGroupBuddyList && curGroupBuddyList.length > 0) {
-              receiverList = curGroupBuddyList[0].buddyList;
-            }
-          }
-
-          if (receiverList.length > 0) {
-            this.dialogService.open<
-              MessageWriteDialogComponent,
-              MessageWriteDialogData,
-              MessageWriteDialogResult
-            >(MessageWriteDialogComponent, {
-              width: '600px',
-              height: '600px',
-              disableClose: true,
-              hasBackdrop: false,
-              data: {
-                loginRes: this.loginRes,
-                environmentsInfo: this.environmentsInfo,
-                receiverList
+            if (!!isFavGroup) {
+              receiverList = this.favoritBuddyList;
+            } else {
+              const curGroupBuddyList = this.groupBuddyList.filter(
+                groupInfo => groupInfo.group.seq === group.seq
+              );
+              if (!!curGroupBuddyList && curGroupBuddyList.length > 0) {
+                receiverList = curGroupBuddyList[0].buddyList;
               }
-            });
-          }
+            }
+
+            if (receiverList.length > 0) {
+              this.dialogService.open<
+                MessageWriteDialogComponent,
+                MessageWriteDialogData,
+                MessageWriteDialogResult
+              >(MessageWriteDialogComponent, {
+                width: '600px',
+                height: '600px',
+                disableClose: true,
+                hasBackdrop: false,
+                data: {
+                  loginRes: this.loginRes,
+                  environmentsInfo: this.environmentsInfo,
+                  receiverList
+                }
+              });
+            }
+          });
         }
         break;
       case 'RENAME':
         {
-          const result = await this.dialogService.open<
-            EditGroupDialogComponent,
-            EditGroupDialogData,
-            EditGroupDialogResult
-          >(EditGroupDialogComponent, {
-            data: {
-              title: this.translateService.instant('group.changeGroupName'),
-              group
+          this.ngZone.run(async () => {
+            const result = await this.dialogService.open<
+              EditGroupDialogComponent,
+              EditGroupDialogData,
+              EditGroupDialogResult
+            >(EditGroupDialogComponent, {
+              data: {
+                title: this.translateService.instant('group.changeGroupName'),
+                group
+              }
+            });
+
+            if (!!result && !!result.choice && result.choice) {
+              if (!!result.groupName && result.groupName.trim().length > 0) {
+                this.store.dispatch(
+                  SyncStore.updateGroup({
+                    groupSeq: result.group.seq,
+                    groupName: result.groupName,
+                    userSeqs: result.group.userSeqs
+                  })
+                );
+              }
             }
           });
-
-          if (!!result && !!result.choice && result.choice) {
-            if (!!result.groupName && result.groupName.trim().length > 0) {
-              this.store.dispatch(
-                SyncStore.updateGroup({
-                  groupSeq: result.group.seq,
-                  groupName: result.groupName,
-                  userSeqs: result.group.userSeqs
-                })
-              );
-            }
-          }
         }
         break;
       case 'EDIT_MEMBER':
         {
-          const result = await this.dialogService.open<
-            CreateChatDialogComponent,
-            CreateChatDialogData,
-            CreateChatDialogResult
-          >(CreateChatDialogComponent, {
-            width: '600px',
-            data: {
-              type: UserSelectDialogType.EditMember,
-              title: this.translateService.instant('group.modifyGroupMember'),
-              group
+          this.ngZone.run(async () => {
+            const result = await this.dialogService.open<
+              CreateChatDialogComponent,
+              CreateChatDialogData,
+              CreateChatDialogResult
+            >(CreateChatDialogComponent, {
+              width: '600px',
+              data: {
+                type: UserSelectDialogType.EditMember,
+                title: this.translateService.instant('group.modifyGroupMember'),
+                group
+              }
+            });
+
+            if (!!result && !!result.choice && result.choice) {
+              if (!!result.oldGroup) {
+                const userSeqs: number[] = [];
+                result.selectedUserList.map(user => userSeqs.push(user.seq));
+
+                this.store.dispatch(
+                  SyncStore.updateGroupMember({
+                    oldGroup: group,
+                    trgtUserSeq: userSeqs
+                  })
+                );
+              }
             }
           });
-
-          if (!!result && !!result.choice && result.choice) {
-            if (!!result.oldGroup) {
-              const userSeqs: number[] = [];
-              result.selectedUserList.map(user => userSeqs.push(user.seq));
-
-              this.store.dispatch(
-                SyncStore.updateGroupMember({
-                  oldGroup: group,
-                  trgtUserSeq: userSeqs
-                })
-              );
-            }
-          }
         }
         break;
       case 'DELETE':
         {
-          const result = await this.dialogService.open<
-            ConfirmDialogComponent,
-            ConfirmDialogData,
-            ConfirmDialogResult
-          >(ConfirmDialogComponent, {
-            width: '360px',
-            data: {
-              title: this.translateService.instant('group.removeGroup'),
-              html: this.translateService.instant('group.confirmRemoveGroup', {
-                nameOfGroup: `${group.name}`
-              })
+          this.ngZone.run(async () => {
+            const result = await this.dialogService.open<
+              ConfirmDialogComponent,
+              ConfirmDialogData,
+              ConfirmDialogResult
+            >(ConfirmDialogComponent, {
+              width: '360px',
+              data: {
+                title: this.translateService.instant('group.removeGroup'),
+                html: this.translateService.instant(
+                  'group.confirmRemoveGroup',
+                  {
+                    nameOfGroup: `${group.name}`
+                  }
+                )
+              }
+            });
+
+            if (!!result && !!result.choice && result.choice) {
+              this.store.dispatch(SyncStore.delGroup({ group }));
             }
           });
-
-          if (!!result && !!result.choice && result.choice) {
-            this.store.dispatch(SyncStore.delGroup({ group }));
-          }
         }
         break;
       default:
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
index 01f5cdd6..3fe9b96c 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
@@ -21,10 +21,9 @@ import {
   combineLatest,
   Subscription,
   of,
-  BehaviorSubject,
-  forkJoin
+  BehaviorSubject
 } from 'rxjs';
-import { map, tap, catchError, take } from 'rxjs/operators';
+import { map, tap, catchError } from 'rxjs/operators';
 
 import { Store, select } from '@ngrx/store';
 import * as AppStore from '@app/store';
@@ -67,7 +66,7 @@ import {
   AlertDialogResult,
   AlertDialogData
 } from '@ucap-webmessenger/ui';
-import { TranslateService, TranslateParser } from '@ngx-translate/core';
+import { TranslateService } from '@ngx-translate/core';
 import { environment } from '../../../../../environments/environment';
 import { StringUtil } from '@ucap-webmessenger/core';
 import { AppService } from '@app/services/app.service';