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Right clicking design/grid/group controls in the VS form designer cause a ~30s hang + unknown error

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Posted on by Samuel Gulliver

Right clicking on the design to change the pattern on a form causes VS to hang for 30 seconds and then error without explanation - "One or more errors occurred".

Fixes attempted:

Full rebuild
Restarting VS
Clearing the component model cache

The hang and error happens when right clicking on the design of any form. I can right click on anything else just fine.

Further details: Right clicking on yellow works fine. Right clicking on red causes the hang + error. Tested across all forms and across multiple different VS instances.

Error message:

Categories:

Dynamics 365 Finance

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Subra 1,685 on at

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Hi

Which version VS you are using and check for VS update as well. if you have any pending update. please update that as well.

Thanks,
Subra

If this helped, please mark it as "Verified" for others facing the same issue

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Samuel Gulliver 43 on at

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I've just update VS 2022 to the latest version (17.14.33) and the issue remains unresolved.

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Samuel Gulliver 43 on at

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I had power platform running 7.0.7858.80 and installing the latest proactive quality update 7.0.7858.102 resolved it.

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Samuel Gulliver 43 on at

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The issue is happening again one week after the above power platform update.

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Deepak Agarwal 9,135 on at

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anyluck with event viewer?

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Subra 1,685 on at

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Hi @CU21050616-0

Enable the logging in VS and try to find the error message.

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Samuel Gulliver 43 on at

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Below from activity log:
<entry>
    <record>856</record>
    <time>2026/05/31 23:19:11.112</time>
    <type>Information</type>
    <source>UIDelayNotifications</source>
    <description>A UI delay (Delay ID = 3) has been detected. (Session ID=[removed]; Blamed extension="Finance and Operations (Dynamics 365)"; Notification shown? Yes.)</description>
</entry>

There are also lot's of System.Windows.Forms errors caused by invalid assembly name happening on VS startup. E.g.
<entry>
    <record>603</record>
    <time>2026/05/31 23:16:17.962</time>
    <type>Error</type>
    <source>VisualStudio</source>
    <description>Item 'System.Windows.Forms.BindingSource' has an invalid assembly name (invalid or missing version): 'System.Windows.Forms, Version = 4.0.0.0, Culture = neutral, PublicKeyToken = [removed];.</description>
</entry>

Nothing in event viewer.

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Subra 1,685 on at

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Hi

Which .net framework you have using?

Additionaly do you have the same issue with other VM as well?

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Samuel Gulliver 43 on at

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Finance and operations: I had this running 7.0.7858.80 and installing the latest proactive quality update 7.0.7858.102 resolved it temporarily.

The issue came back for me after one week - I am still on version .102

Most colleagues were on version 7.0.7858.96 and had no issues.

One colleague was also on .80 and had the same problem as me - updating to .102 has resolved it for him permanently.

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Subra 1,685 on at

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Hi @Samuel Gulliver

Thanks for the update!

If the issue has been resolved, please mark it as verified answers. so that it will be really helpful for other community members.

Thanks,
Subra

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