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Tia Portal v20 crashes when I open a Function Block

7/9/2025 6:45 PM	Rate (0)
lmariani Member Joined: 3/4/2022 Last visit: 7/11/2025 Posts: 1 Rating: (0)	Tia Portal v20 crashes when I open a Function Block. I can see the Function Block code, but when I click in a whatever point TIA Portal crashes. It happens with different projects, so I am thinking the problem is not project related. I have already deleted and reinstalled TIA Portal several times with no effect. I have also tried with different update version of TIA v20. I have read that it is possible to have uncompatibility between the OS and TIA. I have Windows 11 and TIA Portal v20 correctly works for months. I have followed different possible solutions online, but no one works . What can I do to solve? I attach the stack trace. Attachment 0710_Stack Trace.txt (51 Downloads)
	Last edited by: lmariani at: 07/09/2025 18:50:17 Last edited by: lmariani at: 07/09/2025 18:54:15 Last edited by: Moderator_Lan at: 07/10/2025 07:27:12 Log Attached
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7/10/2025 4:52 AM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 9/19/2025 Posts: 5473 Rating: (1065)	Check if the ALM service is running when this problem occurred. Thereafter update you ALM (Automation License Manager) software to the newest version. Make sure you do a proper PC restart (not a quick restart!). Test again. Contact Siemens by registering a Support Request if you confirmed that there is still a problem. They will ask for the full logs. There are some diagnostics they need to have you run also. Please let us know the result. Good luck.
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9/19/2025 9:09 AM	Rate (0)
Moderator_Lan Moderator Joined: 7/30/2024 Last visit: 9/19/2025 Posts: 963 Rating: (17)	New question published by U_ea558d57-c90a-40f9-ac3a-7e94d8e4c1ce is split to a separate thread with the subject Tia Portal v20 SP3 crashes when I open a Function Block. Best regards Moderator_Lan

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