diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index d67790b..22a2f0d 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -337,11 +337,10 @@ export class AppComponent implements OnDestroy {
 
   onOperationClick(operation: Operation) {
     if (operation instanceof ToolOperation) {
-      const tool = <ToolOperation> operation;
+      const tool = <ToolOperation>operation;
 
       if ((tool.task.operations[0].results.length > 0 && !tool.task.operations[0].lastResult.available) || (!(tool.previousOperation === null || tool.previousOperation === undefined) && tool.previousOperation.results.length > 0 && !tool.previousOperation.lastResult.available)) {
         if (!tool.task.operations[0].results[0].available) {
-
           if ((tool.task.files[0].file === null || tool.task.files[0].file === undefined)) {
             this.alertService.showAlert('warning',
               `Please add the audio file "${tool.task.operations[0].results[0].fullname}" and run "${tool.title}" again.`, 10);
@@ -380,7 +379,7 @@ export class AppComponent implements OnDestroy {
             const subj = UploadOperation.upload([tool.lastResult], url, this.httpclient);
             subj.subscribe((obj) => {
               if (obj.type === 'loadend') {
-                const result = <string> obj.result;
+                const result = <string>obj.result;
                 const x2js = new X2JS();
                 let json: any = x2js.xml2js(result);
                 json = json.UploadFileMultiResponse;
@@ -419,7 +418,7 @@ export class AppComponent implements OnDestroy {
             const subj = UploadOperation.upload([tool.previousOperation.lastResult], url, this.httpclient);
             subj.subscribe((obj) => {
               if (obj.type === 'loadend') {
-                const result = <string> obj.result;
+                const result = <string>obj.result;
                 const x2js = new X2JS();
                 let json: any = x2js.xml2js(result);
                 json = json.UploadFileMultiResponse;
@@ -465,6 +464,8 @@ export class AppComponent implements OnDestroy {
           this.tool_url = tool.getToolURL();
 
           if (this.tool_url !== '') {
+            this.proceedings.cd.markForCheck();
+            this.proceedings.cd.detectChanges();
             this.toolLoader.url = tool.getToolURL();
             if (!(this.toolSelectedOperation === null || this.toolSelectedOperation === undefined) && operation.id !== this.toolSelectedOperation.id) {
               // some operation already initialized
@@ -478,6 +479,7 @@ export class AppComponent implements OnDestroy {
             if (operation instanceof OCTRAOperation) {
               operation.time.start = Date.now();
             }
+            this.proceedings.togglePopover(false);
           } else {
             console.warn(`tool url is empty`);
           }
@@ -491,7 +493,7 @@ export class AppComponent implements OnDestroy {
   onOperationHover(operation: Operation) {
   }
 
-  onASRLangCHanged(lang) {
+  onASRLangChanged(lang) {
     if (lang.code !== this.taskService.selectedlanguage.code) {
       this.taskService.selectedlanguage = lang;
       this.changeLanguageforAllQueuedTasks();
@@ -584,7 +586,7 @@ export class AppComponent implements OnDestroy {
   }
 
   public getTime(): number {
-    let elem: AudioInfo = <AudioInfo> this.toolSelectedOperation.task.files[0];
+    let elem: AudioInfo = <AudioInfo>this.toolSelectedOperation.task.files[0];
 
     if (!(elem.duration === null || elem.duration === undefined)) {
       return elem.duration.unix;
diff --git a/src/app/components/proceedings/directives/proc-col-operation.directive.ts b/src/app/components/proceedings/directives/proc-col-operation.directive.ts
index 45f9bbc..dc67bc1 100644
--- a/src/app/components/proceedings/directives/proc-col-operation.directive.ts
+++ b/src/app/components/proceedings/directives/proc-col-operation.directive.ts
@@ -69,11 +69,18 @@ export class ProcColOperationDirective implements AfterViewInit, OnChanges, OnDe
             // result is available
 
             if (this.operation.enabled) {
+              let icon = null;
               if (!(this.operation.mouseover && this.operation.state === 'ERROR')) {
-                const icon = this.operation.getStateIcon2(this.operation.state);
-                this.elementRef.nativeElement.innerHTML = icon;
+                const wrapper = this.renderer.createElement('div');
+                this.renderer.setStyle(wrapper, 'display', 'inline');
+                wrapper.innerHTML = this.operation.getStateIcon2(this.operation.state);
+
+                this.renderer.listen(wrapper, 'mouseover', this.onMouseOver);
+                this.renderer.listen(wrapper, 'mouseenter', this.onMouseEnter);
+                this.renderer.listen(wrapper, 'mouseleave', this.onMouseLeave);
+                this.renderer.appendChild(this.elementRef.nativeElement, wrapper);
               } else {
-                const icon = this.renderer.createElement('i');
+                icon = this.renderer.createElement('i');
                 this.renderer.addClass(icon, 'fa');
                 this.renderer.addClass(icon, 'fa-repeat');
                 this.renderer.setAttribute(icon, 'aria-hidden', 'true');
@@ -81,6 +88,7 @@ export class ProcColOperationDirective implements AfterViewInit, OnChanges, OnDe
 
                 this.renderer.listen(icon, 'click', this.onRepeatIconClick);
               }
+
               this.renderer.removeClass(this.elementRef.nativeElement, 'op-deactivated');
             } else {
               // operation disabled
@@ -104,7 +112,7 @@ export class ProcColOperationDirective implements AfterViewInit, OnChanges, OnDe
   }
 
   private clearContents() {
-    for (let i = 0; i < (<HTMLElement> this.elementRef.nativeElement).children.length; i++) {
+    for (let i = 0; i < (<HTMLElement>this.elementRef.nativeElement).children.length; i++) {
       const child = this.elementRef.nativeElement.children[i];
 
       if (!(child === null || child === undefined)) {
@@ -117,6 +125,19 @@ export class ProcColOperationDirective implements AfterViewInit, OnChanges, OnDe
     }
   }
 
+  private onMouseOver = (event) => {
+    console.log(`MOUSEOVER PROCCOL`);
+    this.onOperationMouseOver.next(event);
+  }
+
+  private onMouseEnter = (event) => {
+    this.onOperationMouseEnter.next(event);
+  }
+
+  private onMouseLeave = (event) => {
+    this.onOperationMouseLeave.next(event);
+  }
+
   private onRepeatIconClick = () => {
     const langObj = AppSettings.getLanguageByCode(this.entry.language);
     this.entry.restartFailedOperation(langObj, this.taskService.httpclient);
diff --git a/src/app/components/proceedings/proceedings.component.html b/src/app/components/proceedings/proceedings.component.html
index c4e6d98..bfac721 100644
--- a/src/app/components/proceedings/proceedings.component.html
+++ b/src/app/components/proceedings/proceedings.component.html
@@ -62,7 +62,8 @@ <h4>Start Processing</h4>
         'height': popover.height + 'px',
         'margin-top': popover.y + 'px',
         'margin-left': (popover.x + 4) + 'px'
-    }" (mouseover)="popover.state = 'opened';" (mouseout)="popover.state = 'closed';"
+    }" (mouseenter)="popover.mouseIn = true"
+                     (mouseleave)="popover.state = 'closed'"
                      [borderColor]="getPopoverColor(popover.operation)" [pointer]="popover.pointer" #popoverRef>
             <ng-container *ngIf="popover.operation !== null">
                 <ng-container *ngIf="popover.operation.time.start > 0">
@@ -77,7 +78,7 @@ <h4>Start Processing</h4>
                         <tr>
                             <td><i class="fa fa-clock-o" style="color: cornflowerblue;"></i>
                                 {{popover.operation.time.start
-                                | date :"dd.MM.yyyy H:mm"}}
+                                    | date :"dd.MM.yyyy H:mm"}}
                             </td>
                             <td><i class="fa fa-hourglass-start" style="color: cornflowerblue;"></i>
                                 {{calculateDuration(popover.operation.time) | time:'true'}}
@@ -138,8 +139,8 @@ <h4>Start Processing</h4>
                                          (click)="openArchiveDownload('column', operation)" [ngbTooltip]="tipContent"
                                          tooltipClass="operation-tooltip"
                                          triggers="manual" #t2="ngbTooltip" placement="bottom"
-                                         (mouseover)="toggleOperationDescription(t2)"
-                                         (mouseleave)="toggleOperationDescription(t2)"
+                                         (mouseenter)="toolTipAction('open', t2)"
+                                         (mouseleave)="toolTipAction('close', t2)"
                                     >
                                         <ng-container *ngIf="shortstyle">
                                             {{operation.shortTitle}}
@@ -212,9 +213,9 @@ <h4>Start Processing</h4>
                             [entry]="entry"
                             [operation]="operation"
 
-                            (mouseenter)="onOperationMouseEnter($event, operation)"
-                            (mouseleave)="onOperationMouseLeave($event, operation)"
-                            (mouseover)="onOperationMouseOver($event, operation)"
+                            (onOperationMouseEnter)="onOperationMouseEnter($event, operation)"
+                            (onOperationMouseLeave)="onOperationMouseLeave($event, operation)"
+                            (onOperationMouseOver)="onOperationMouseOver($event, operation)"
                             (mousedown)="onOperationClick($event, operation)"
                             (click)="onRowSelected(entry, operation)"
                         >
@@ -259,9 +260,9 @@ <h4>Start Processing</h4>
                                 [entry]="entry"
                                 [operation]="operation"
 
-                                (mouseenter)="onOperationMouseEnter($event, operation)"
-                                (mouseleave)="onOperationMouseLeave($event, operation)"
-                                (mouseover)="onOperationMouseOver($event, operation)"
+                                (onOperationMouseEnter)="onOperationMouseEnter($event, operation)"
+                                (onOperationMouseLeave)="onOperationMouseLeave($event, operation)"
+                                (onOperationMouseOver)="onOperationMouseOver($event, operation)"
                                 (mousedown)="onOperationClick($event, operation)"
                                 (click)="onRowSelected(entry, operation)"
                             >
@@ -272,9 +273,9 @@ <h4>Start Processing</h4>
                             [entry]="dirEntry"
                             [operation]="operation"
 
-                            (mouseenter)="onOperationMouseEnter($event, operation)"
-                            (mouseleave)="onOperationMouseLeave($event, operation)"
-                            (mouseover)="onOperationMouseOver($event, operation)"
+                            (onOperationMouseEnter)="onOperationMouseEnter($event, operation)"
+                            (onOperationMouseLeave)="onOperationMouseLeave($event, operation)"
+                            (onOperationMouseOver)="onOperationMouseOver($event, operation)"
                             (mousedown)="onOperationClick($event, operation)"
                             (click)="onRowSelected(dirEntry, operation)">
                         </td>
diff --git a/src/app/components/proceedings/proceedings.component.ts b/src/app/components/proceedings/proceedings.component.ts
index 0d347c8..774bd43 100644
--- a/src/app/components/proceedings/proceedings.component.ts
+++ b/src/app/components/proceedings/proceedings.component.ts
@@ -33,6 +33,7 @@ import {FilePreviewModalComponent} from '../../modals/file-preview-modal/file-pr
 import {DownloadModalComponent} from '../../modals/download-modal/download-modal.component';
 import {G2pMausOperation} from '../../obj/operations/g2p-maus-operation';
 import {ShortcutManager} from '../../obj/shortcut-manager';
+import {NgbTooltip} from '@ng-bootstrap/ng-bootstrap';
 
 declare var window: any;
 
@@ -59,7 +60,8 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
     height: number,
     operation: Operation,
     task: Task | TaskDirectory,
-    pointer: string
+    pointer: string,
+    mouseIn: boolean
   } = {
     x: 0,
     y: 0,
@@ -68,7 +70,8 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
     height: 320,
     operation: null,
     task: null,
-    pointer: 'left'
+    pointer: 'left',
+    mouseIn: false
   };
 
   @Input() taskList: TaskList = new TaskList();
@@ -97,11 +100,12 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
 
   @ViewChild('popoverRef') public popoverRef: PopoverComponent;
   @ViewChild('filePreview') public filePreview: FilePreviewModalComponent;
+  @ViewChild('t2') public tooltip: NgbTooltip;
 
   public selectedOperation: Operation;
   public toolSelectedOperation: Operation;
 
-  constructor(public sanitizer: DomSanitizer, private cd: ChangeDetectorRef, public taskService: TaskService, private http: HttpClient,
+  constructor(public sanitizer: DomSanitizer, public cd: ChangeDetectorRef, public taskService: TaskService, private http: HttpClient,
               public storage: StorageService) {
     // Check for the various FileInfo API support.
     if (window.File && window.FileReader && window.FileList && window.Blob) {
@@ -329,7 +333,7 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
         }
       } else {
         for (let j = 0; j < entry.entries.length; j++) {
-          const task = <Task> entry.entries[j];
+          const task = <Task>entry.entries[j];
           if (task.files.length > 1) {
             task.files.splice(1);
             task.operations[1].enabled = this.taskService.operations[1].enabled;
@@ -368,12 +372,21 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
     } else {
       this.popover.state = 'closed';
     }
+
+    this.cd.markForCheck();
+    this.cd.detectChanges();
   }
 
   onOperationMouseEnter($event, operation: Operation) {
+    console.log(`MOUSE ENTERED!`);
+    console.log($event);
     // show Popover for normal operations only
     if (!(operation instanceof EmuOperation) &&
       !(operation.state === TaskState.PENDING || operation.state === TaskState.SKIPPED || operation.state === TaskState.READY)) {
+      console.log(`show popup!`);
+      const icon = $event.target;
+      const parentNode = icon.parentNode;
+
       this.popover.operation = operation;
       if (operation.protocol !== '') {
         this.popover.width = 500;
@@ -381,16 +394,17 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
         this.popover.width = 400;
       }
       this.popover.height = 230;
-      if (($event.target.offsetLeft + this.popover.width) < window.innerWidth) {
-        this.popover.x = $event.target.offsetLeft + ($event.target.offsetWidth / 2);
+      if ((parentNode.offsetLeft + this.popover.width) < window.innerWidth) {
+        this.popover.x = parentNode.offsetLeft + (parentNode.offsetWidth / 2);
         this.popover.pointer = ($event.layerY + this.popoverRef.height > window.innerHeight) ? 'bottom-left' : 'left';
       } else {
-        this.popover.x = $event.target.offsetLeft - this.popover.width + ($event.target.offsetWidth / 2);
+        this.popover.x = parentNode.offsetLeft - this.popover.width + (parentNode.offsetWidth / 2);
         this.popover.pointer = ($event.layerY + this.popoverRef.height < window.innerHeight) ? 'right' : 'bottom-right';
       }
 
-      this.popover.y = ($event.layerY + this.popoverRef.height > window.innerHeight)
-        ? $event.layerY - this.popoverRef.height : $event.layerY;
+      const top = icon.offsetTop + parentNode.offsetTop + icon.offsetHeight;
+      this.popover.y = (top + this.popoverRef.height > window.innerHeight)
+        ? top - this.popoverRef.height : top;
       this.togglePopover(true);
 
     }
@@ -399,15 +413,19 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
   }
 
   onOperationMouseLeave($event, operation: Operation) {
-    if (!(operation instanceof EmuOperation) && !(operation.state === TaskState.PENDING)) {
-      this.togglePopover(false);
-    }
     operation.mouseover = false;
+    this.popover.mouseIn = false;
+    setTimeout(() => {
+      if (!this.popover.mouseIn) {
+        this.togglePopover(false);
+      }
+    }, 250);
     operation.onMouseLeave();
   }
 
   onOperationMouseOver($event, operation: Operation) {
     operation.mouseover = true;
+    this.popover.mouseIn = true;
     this.selectedOperation = operation;
     operation.onMouseOver();
     this.operationhover.emit();
@@ -463,7 +481,7 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
 
   getMailToLink(task: Task) {
     if (task.state === TaskState.FINISHED) {
-      const tool_url = (<EmuOperation> task.operations[4]).getToolURL();
+      const tool_url = (<EmuOperation>task.operations[4]).getToolURL();
       let subject = 'OH-Portal Links';
       let body = '' +
         'Pipeline ASR->G2P->CHUNKER:\n' + task.operations[1].results[0].url + '\n\n' +
@@ -587,9 +605,9 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
 
   public onOperationClick($event, operation: Operation) {
     if (operation instanceof UploadOperation || operation instanceof EmuOperation) {
-      setTimeout(() => {
-        this.popover.state = 'closed';
-      }, 1000);
+      this.popover.state = 'closed';
+      this.cd.markForCheck();
+      this.cd.detectChanges();
       this.selectedOperation = undefined;
     } else {
       this.selectedOperation = operation;
@@ -598,7 +616,6 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
   }
 
   openArchiveDownload(type: 'column' | 'line', operation: Operation) {
-    this.selectedOperation = operation;
     this.content.open(type);
   }
 
@@ -713,15 +730,15 @@ export class ProceedingsComponent implements OnInit, OnDestroy, OnChanges {
     }
   }
 
-  toggleOperationDescription(tooltip) {
-    if (tooltip.isOpen()) {
-      tooltip.close();
-      this.cd.markForCheck();
-      this.cd.detectChanges();
-    } else {
+  toolTipAction(action: string, tooltip) {
+    if (action === 'open') {
       tooltip.open();
-      this.cd.markForCheck();
-      this.cd.detectChanges();
+    } else {
+      tooltip.close();
     }
+
+
+    this.cd.markForCheck();
+    this.cd.detectChanges();
   }
 }
diff --git a/src/app/obj/operations/operation.ts b/src/app/obj/operations/operation.ts
index b0a668d..a91c849 100644
--- a/src/app/obj/operations/operation.ts
+++ b/src/app/obj/operations/operation.ts
@@ -208,7 +208,7 @@ export abstract class Operation {
     return sanitizer.bypassSecurityTrustHtml(result);
   }
 
-  public getStateIcon2 = (state: TaskState): String => {
+  public getStateIcon2 = (state: TaskState): string => {
     let result = '';
 
     switch (state) {
diff --git a/src/app/obj/operations/upload-operation.ts b/src/app/obj/operations/upload-operation.ts
index 712165c..f363e99 100644
--- a/src/app/obj/operations/upload-operation.ts
+++ b/src/app/obj/operations/upload-operation.ts
@@ -176,7 +176,7 @@ export class UploadOperation extends Operation {
     return sanitizer.bypassSecurityTrustHtml(result);
   }
 
-  public getStateIcon2 = (state: TaskState): String => {
+  public getStateIcon2 = (state: TaskState): string => {
     let result = '';
 
     switch (state) {