diff --git a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor
index 18f70643..385b6358 100644
--- a/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor	
+++ b/app/MindWork AI Studio/Dialogs/DocumentCheckDialog.razor	
@@ -27,48 +27,57 @@
                 />
         }
         
-        <MudTabs Elevation="0" Rounded="true" ApplyEffectsToContainer="true" Outlined="true" PanelClass="pa-2" Class="mb-2">
-            @if (this.Document?.IsImage ?? false)
-            {
-                <MudTabPanel Text="@T("Image View")" Icon="@Icons.Material.Filled.Image">
-                    <MudImage ObjectFit="ObjectFit.ScaleDown" Style="width: 100%;" Src="@this.Document.FilePathAsUrl"/>
-                </MudTabPanel>
-            }
-            else
-            {
-                <MudTabPanel Text="@T("Markdown View")" Icon="@Icons.Material.Filled.TextSnippet">
-                    <MudField
-                        Variant="Variant.Outlined"
-                        AdornmentIcon="@Icons.Material.Filled.Article"
-                        Adornment="Adornment.Start"
-                        Label="@T("Loaded Content")"
-                        FullWidth="true"
-                        Class="ma-2 pe-4"
-                        HelperText="@T("This is the content we loaded from your file — including headings, lists, and formatting. Use this to verify your file loads as expected.")">
-                        <div style="max-height: 40vh; overflow-y: auto;">
-                            <MudMarkdown Value="@this.FileContent" Props="Markdown.DefaultConfig" Styling="@this.MarkdownStyling"/>
-                        </div>
-                    </MudField>
-                </MudTabPanel>
-                <MudTabPanel Text="@T("Simple View")" Icon="@Icons.Material.Filled.Terminal">
-                    <MudTextField
-                        T="string"
-                        @bind-Text="@this.FileContent"
-                        AdornmentIcon="@Icons.Material.Filled.Article"
-                        Adornment="Adornment.Start"
-                        Immediate="@true"
-                        Label="@T("Loaded Content")"
-                        Variant="Variant.Outlined"
-                        Lines="6"
-                        AutoGrow="@true"
-                        MaxLines="25"
-                        ReadOnly="true"
-                        Class="ma-2"
-                        HelperText="@T("This is the content we loaded from your file — including headings, lists, and formatting. Use this to verify your file loads as expected.")"/>
-                </MudTabPanel>
-            }
-        </MudTabs>
-        
+        @if (!this.Document?.Exists ?? false)
+        {
+            <MudAlert Severity="Severity.Error" Variant="Variant.Filled" Class="my-2">
+                @T("The specified file could not be found. The file have been moved, deleted, renamed, or is otherwise inaccessible.")
+            </MudAlert>
+        }
+        else
+        {
+            <MudTabs Elevation="0" Rounded="true" ApplyEffectsToContainer="true" Outlined="true" PanelClass="pa-2" Class="mb-2">
+                @if (this.Document?.IsImage ?? false)
+                {
+                    <MudTabPanel Text="@T("Image View")" Icon="@Icons.Material.Filled.Image">
+                        <MudImage ObjectFit="ObjectFit.ScaleDown" Style="width: 100%;" Src="@this.Document.FilePathAsUrl"/>
+                    </MudTabPanel>
+                }
+                else
+                {
+                    <MudTabPanel Text="@T("Markdown View")" Icon="@Icons.Material.Filled.TextSnippet">
+                        <MudField
+                            Variant="Variant.Outlined"
+                            AdornmentIcon="@Icons.Material.Filled.Article"
+                            Adornment="Adornment.Start"
+                            Label="@T("Loaded Content")"
+                            FullWidth="true"
+                            Class="ma-2 pe-4"
+                            HelperText="@T("This is the content we loaded from your file — including headings, lists, and formatting. Use this to verify your file loads as expected.")">
+                            <div style="max-height: 40vh; overflow-y: auto;">
+                                <MudMarkdown Value="@this.FileContent" Props="Markdown.DefaultConfig" Styling="@this.MarkdownStyling"/>
+                            </div>
+                        </MudField>
+                    </MudTabPanel>
+                    <MudTabPanel Text="@T("Simple View")" Icon="@Icons.Material.Filled.Terminal">
+                        <MudTextField
+                            T="string"
+                            @bind-Text="@this.FileContent"
+                            AdornmentIcon="@Icons.Material.Filled.Article"
+                            Adornment="Adornment.Start"
+                            Immediate="@true"
+                            Label="@T("Loaded Content")"
+                            Variant="Variant.Outlined"
+                            Lines="6"
+                            AutoGrow="@true"
+                            MaxLines="25"
+                            ReadOnly="true"
+                            Class="ma-2"
+                            HelperText="@T("This is the content we loaded from your file — including headings, lists, and formatting. Use this to verify your file loads as expected.")"/>
+                    </MudTabPanel>
+                }
+            </MudTabs>
+        }
+
     </DialogContent>
     <DialogActions>
         <MudButton OnClick="@this.Close" Variant="Variant.Filled">