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WinCC v7.3 web client not open

5/21/2025 10:15 AM	Rate (0)
AutoGen_2ff90 Joined: 5/21/2025 Last visit: 7/31/2025 Posts: 2 Rating: (0)	since I installed windows 11, the winCC web client has stopped working. Edge is in compatibility but the problem is still present. I report here the patches installed on the PC since the web client stopped working. Feature Updates Windows 11, version 24H2 Installed successfully on ‎April 17, 2025 Quality Updates 2025-01 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5049624) Installed successfully on ‎April 16, 2025 Driver Updates Intel - Firmware - 15.0.47.2473 Installed successfully on ‎April 16, 2025 Lenovo - Monitor - 6.14.24.0 Installed successfully on ‎April 16, 2025 Feature Updates definitions Windows Security platform update - KB5007651 (Version 10.0.27777.1008) Installed successfully on ‎04/17/2025 Other updates Windows Malicious Software Removal Tool x64 - v5.132 (KB890830) Installed successfully on ‎04/16/2025 thanks for the support

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5/22/2025 9:42 AM	Rate (1)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 9/3/2025 Posts: 16322 Rating: (1931)	Hello AutoGen_2ff90 WinCC V7.3 is not released with Windows 11 and also the V7.3 webclient not (not even Win10). yuo should check your options: https://support.industry.siemens.com/cs/ww/en/view/64847781 you would be able to use a newer Webnavigator Client in the Win11 System but for this you would have to contact to a Webnavigator Server of the same Version first before you can contact to older Server like your V7.3 Bye Murof
	Last edited by: Murof at: 05/22/2025 09:42:50 If this Information really helps, you could use the Rate function
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