--- a/FreeFileSync/Source/ui/abstract_folder_picker.cpp
+++ b/FreeFileSync/Source/ui/abstract_folder_picker.cpp
@@ -129,7 +129,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
--- a/FreeFileSync/Source/ui/batch_config.cpp
+++ b/FreeFileSync/Source/ui/batch_config.cpp
@@ -83,7 +83,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
--- a/FreeFileSync/Source/ui/progress_indicator.cpp
+++ b/FreeFileSync/Source/ui/progress_indicator.cpp
@@ -220,7 +220,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
 }
 
@@ -924,7 +924,7 @@
     this->GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     this->Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    this->Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    this->//Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     pnl_.Layout();
     this->Center(); //call *after* dialog layout update and *before* wxWindow::Show()!
--- a/FreeFileSync/Source/ui/rename_dlg.cpp
+++ b/FreeFileSync/Source/ui/rename_dlg.cpp
@@ -365,7 +365,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
--- a/FreeFileSync/Source/ui/small_dlgs.cpp
+++ b/FreeFileSync/Source/ui/small_dlgs.cpp
@@ -150,7 +150,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
 
     {
@@ -169,7 +169,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -407,7 +407,7 @@
     //=> works like a charm for GTK with window resizing problems and title bar corruption; e.g. Debian!!!
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -974,7 +974,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -1091,7 +1091,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -1234,7 +1234,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -1501,7 +1501,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -1824,7 +1824,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -1923,7 +1923,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -2009,7 +2009,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -2080,7 +2080,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
@@ -2188,7 +2188,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
--- a/FreeFileSync/Source/ui/sync_cfg.cpp
+++ b/FreeFileSync/Source/ui/sync_cfg.cpp
@@ -709,7 +709,7 @@
     GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
     Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-    Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+    //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
     Center(); //needs to be re-applied after a dialog size change!
 
--- a/wx+/popup_dlg.cpp
+++ b/wx+/popup_dlg.cpp
@@ -289,7 +289,7 @@
         GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
 #ifdef __WXGTK3__
         Show(); //GTK3 size calculation requires visible window: https://github.com/wxWidgets/wxWidgets/issues/16088
-        Hide(); //avoid old position flash when Center() moves window (asynchronously?)
+        //Hide(); //avoid old position flash when Center() moves window (asynchronously?)
 #endif
         Center(); //needs to be re-applied after a dialog size change!