System Error. Code:1400. Invalid window handle

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  • System Error. Code:1400. Invalid window handle
Question ID: 106923

Hi, some of out testers are reporting that they are unable to take screenshots like they used to with the camera icon (They could with version 11, but we just upgraded to 12.21). Getting the error- "System Error. Code:1400. Invalid window handle". Can you help us with this issue?

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Posted by (Questions: 230, Answers: 30)
Asked on June 28, 2016 5:41 pm
Answers (1)
Private answer

There is an article that HP published (KM184156) that states this issue is caused by the Internet Discussion feature that changes the way Windows handles Internet Explorer. I have listed the steps below that are listed in the document. If the Discuss add on isn't listed, you may want to experiment with disabling other add ons to see which one is affecting how Windows is handling Internet Explorer.

Launching ALM without using the Internet Explorer Discussion feature:

- Close the current ALM browser window
- Launch a new Internet Explorer browser window
- Disable the Internet Explorer Discussion add-on
- Open ALM

You can also find the 'Discuss' add on in the following location:

- Make sure the 'Menu Bar' is displayed in the IE browser
- Click 'View' and hover over 'Explorer Bars' option
- There you will find the Discuss add on

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Posted by (Questions: 2, Answers: 292)
Answered on June 28, 2016 5:45 pm