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U90 Ladder issue

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I can not get U90 to install, It used to work on the computer but now after upgrading to windows 10 pro it doesn't want to work .

I have uninstalled it and re installed it a few time now, downloaded the new version as well. 

it keeps trying to install solid Edge St8  and then freeze's or try's to install it to F Drive (usb hub) if connected, which doesn't have enough space to install it to then freeze's


Any ideas?



u90 ladder issue.docx

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  • MVP 2023

I don't know if this will work, but try a complete uninstall of U90 similar to the Visilogic procedure:

1. Backup your projects

2. Uninstall U90

3. Delete directory C:\Program Files (x86)\Unitronics\Unitronics U90 Ladder

4. Delete directory C:\Program Files (x86)\Common Files\Unitronics

5. Reboot

6. Install U90

Let us know if this works.

Joe T.

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