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3286949 - How to perform clean installation and reinstallation of SAP GUI for Windows

Symptom

Some SAP GUI functionalities are being affected after SAP GUI upgrading, and it can present the following symptoms (but not limited to) from Installation logs (e.g, NwSapSetup.log), Windows logs (Event Viewer app), SAP GUI automation and session traces:

  • Unresolved module dependencies/ unresolved exports of some GUI controls (some runtime errors: MESSAGE_TYPE_X dumps can occur);
  • WinAPI::searchPath() failed;
  • Automation(Error);
  • Faulting application name: saplogon.exe (SAP GUI crashes);
  • Return-Code: 129 (Reboot is recommended) and  "1W  Registration with 'sapregsv.exe' failed" in the NwSapSetup.log can appear.


The errors may occur regardless of the application, randomly, and it is generally workstation-specific, affecting only a few users. 


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Environment

SAP GUI for Windows

Keywords

Installation error, SAP GUI, NwSapSetup.log, WinAPI::searchPath() failed, Automation(Error), crash, MESSAGE_TYPE_X, Unresolved module dependencies, unresolved exports, 1E, 1W  Registration with 'sapregsv.exe' failed, WinAPI::searchPath() failed. , KBA , BC-FES-INS , Frontend Installation , How To

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