Your operating system? Selected code page on the top of ASCII chart? It's really 117 build? Can you add screenshot? Does anybode else has a similar problem?
Yes, it's 117. On Windows 10, no system theme modifications. Codepage doesn't matter and while trying different codepages I also got this randomly: Exception description: Invalid code page. Exception class: EEncodingError Exception address: 00434D9D -------------------------------------------------------------------------------- -------------------- Stack list, generated 10/3/2017 16:18:37 [00434D98] System.SysUtils.TMBCSEncoding.Create + $58 [004090D7] System.TObject.NewInstance + $13 [004098DB] System.@ClassCreate + $7 [00434D1C] System.SysUtils.TMBCSEncoding.Create + $24 [00434A33] System.SysUtils.TEncoding.GetEncoding + $57 [008A0C67] uASCII.TfASCII.FillAsciiChart (Line 354, "uAscii.pas" + 2) + $2 [008A172C] uASCII.TfASCII.cbEncodingChange (Line 522, "uAscii.pas" + 0) + $0 [00542184] Vcl.StdCtrls.TCustomCombo.Change + $1C [005416EC] Vcl.StdCtrls.TCustomComboBox.Change + $50 [0054234F] Vcl.StdCtrls.TCustomCombo.Select + $23 [00542102] Vcl.StdCtrls.TCustomCombo.CNCommand + $116 [0064A265] Vcl.Controls.TControl.WndProc + $2BD [0064EEB6] Vcl.Controls.TWinControl.DefaultHandler + $E6 [0064F74F] Vcl.Controls.TWinControl.WMPaint + $3B [0064EDA5] Vcl.Controls.TWinControl.WndProc + $5E9 [004D4950] System.Classes.{System.Generics.Collections}TDictionary<System.Integer,System.Cl asses.IInterfaceList>.TryGetValue + $4C [004CFBC1] System.Classes.TObservers.IsObserving + $2D [004CFC3C] System.Classes.TObservers.IsObserving + $A8 [00541FDF] Vcl.StdCtrls.TCustomCombo.WndProc + $1B3 [005438F1] Vcl.StdCtrls.TCustomComboBox.WndProc + $155 [00649EA0] Vcl.Controls.TControl.Perform + $24 [0064EF0B] Vcl.Controls.DoControlMsg + $23 [0064F993] Vcl.Controls.TWinControl.WMCommand + $B [0064A265] Vcl.Controls.TControl.WndProc + $2BD [0064EDA5] Vcl.Controls.TWinControl.WndProc + $5E9 [004D4950] System.Classes.{System.Generics.Collections}TDictionary<System.Integer,System.Cl asses.IInterfaceList>.TryGetValue + $4C [004CFBC1] System.Classes.TObservers.IsObserving + $2D [004CFC3C] System.Classes.TObservers.IsObserving + $A8 [00541FDF] Vcl.StdCtrls.TCustomCombo.WndProc + $1B3 [0040CCF8] System.@FinalizeArray + $E4 [0040A134] System.TMonitor.TryEnter + $28 [0064EDA5] Vcl.Controls.TWinControl.WndProc + $5E9 [0040A134] System.TMonitor.TryEnter + $28 [00409CBC] System.TMonitor.Enter + $10 [0064EDA5] Vcl.Controls.TWinControl.WndProc + $5E9 [00409E9B] System.TMonitor.Exit + $F [005173D7] Vcl.Graphics.FreeMemoryContexts + $9B [0064E3C4] Vcl.Controls.TWinControl.MainWndProc + $2C [0064E3D9] Vcl.Controls.TWinControl.MainWndProc + $41 [0064E3C4] Vcl.Controls.TWinControl.MainWndProc + $2C [004CE4F4] System.Classes.StdWndProc + $14 [0064EEB6] Vcl.Controls.TWinControl.DefaultHandler + $E6 [0064F9A2] Vcl.Controls.TWinControl.WMCommand + $1A [0064A265] Vcl.Controls.TControl.WndProc + $2BD [0064EDA5] Vcl.Controls.TWinControl.WndProc + $5E9 [004D4950] System.Classes.{System.Generics.Collections}TDictionary<System.Integer,System.Cl asses.IInterfaceList>.TryGetValue + $4C [004CFBC1] System.Classes.TObservers.IsObserving + $2D [004CFC3C] System.Classes.TObservers.IsObserving + $A8 [00541FDF] Vcl.StdCtrls.TCustomCombo.WndProc + $1B3 [005438F1] Vcl.StdCtrls.TCustomComboBox.WndProc + $155 [0064E3C4] Vcl.Controls.TWinControl.MainWndProc + $2C [004CE4F4] System.Classes.StdWndProc + $14 [0062199D] Vcl.Forms.TApplication.CancelHint + $11 [0062062F] Vcl.Forms.TApplication.ProcessMessage + $F3 [00620672] Vcl.Forms.TApplication.HandleMessage + $A [006209A5] Vcl.Forms.TApplication.Run + $C9 [00991921] PSPad.PSPad (Line 69, "PSPad.dpr" + 35) + $7 -------------------------------------------------------------------------------- -------------------- Program : C:\Program Files (x86)\PSPad\PSPad.exe 5.0.0 (117) System : Windows 10 Professional x64, Version: 10.0, Build: 0, Processor: Intel, Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz, 3200 MHz MMX Display : 1280x1024 pixels, 32 bpp -------------------------------------------------------------------------------- -------------------- Active Controls Hierarchy: TComboBox "cbEncoding" TTabSheet "tsAscii" TPageControl "PageControl" TfASCII "fASCII" TPanel "pageDock" TfPSPad "fPSPad" -------------------------------------------------------------------------------- -------------------- -- <http://forum.pspad.com/read.php?6,68158,68173> PSPad freeware editor http://www.pspad.com