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PG/PC Interface lost

Created by: AutoGen_6e3ed at: 12/11/2025 2:49 PM (4 Replies)

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12/11/2025 2:49 PM	Rate (0)
AutoGen_6e3ed Joined: 12/11/2025 Last visit: 12/12/2025 Posts: 3 Rating: (0)	Hello, Since recently, I am not able to connect my computer to any PLC device. On TIA V18, I'm locked on Teleservice, while on TIA V20, I have no interface at all. When I check my PG/PC settings, I have nothing. Can someone help me on what to do to bring everything back ton normal ? I must add that I use TIA V18 and V20, and often Proneta, or S7PCT, and my computer is running on Windows 11. Best regards

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12/11/2025 4:09 PM	Rate (0)
0_Einstein Grandmaster-Expert Joined: 7/7/2010 Last visit: 12/12/2025 Posts: 16303 Rating: (2520)	You probably noticed a theme after searching these forums for similar problems. Attempt a repair of your highest TIA Portal version. Update to the very latest TIA Portal update for each installed TIA Portal version. AutoGen_6e3ed Hello, Since recently, I am not able to connect my computer to any PLC device. On TIA V18, I'm locked on Teleservice, while on TIA V20, I have no interface at all. When I check my PG/PC settings, I have nothing. Can someone help me on what to do to bring everything back ton normal ? I must add that I use TIA V18 and V20, and often Proneta, or S7PCT, and my computer is running on Windows 11. Best regards
	science guy
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12/11/2025 4:33 PM	Rate (0)
AutoGen_6e3ed Joined: 12/11/2025 Last visit: 12/12/2025 Posts: 3 Rating: (0)	Thank you for your reply. I already installed all the updates available on TIA Administrator. Did I miss something ?

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12/12/2025 7:23 AM	Rate (1)
Tarwar Expert Joined: 7/31/2020 Last visit: 12/12/2025 Posts: 379 Rating: (20)	Hello, Can you check if the ‘S7DOS Help Service’ is enabled? Best regards

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This contribution was helpful to 1 thankful Users 0_Einstein

12/12/2025 8:37 AM	Rate (0)
AutoGen_6e3ed Joined: 12/11/2025 Last visit: 12/12/2025 Posts: 3 Rating: (0)	Hello, In fact, this file did not even exist. I found a way to reinstall it and execute it through the s7oiehsx64.exe file. Now everything is working well. Thank you fort the help

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