Excel Add in error – ExcelAddIn.vsto: the manifest may not be valid or the file could not be opened
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Hello. I am trying to install the Excel add in on my machine, but I keep receiving the following error message after installing the add in. The error message that displays: Installing Office customization We are currently using ALM 12.55 with MS Office 2010 SP2 (32-bit), and I have tried the following on my machine in an attempt to resolve the issue. I have tried repairing both the .net and MS Office. I have also reinstalled the Addin using both 'For All Users' and 'For Current User Only', but the issue still occurs. ![alt text][1] [1]: /storage/temp/883-excel-addin-error.png
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I have seen an issue like this in the past, and it was resolved by installing the 2010 Microsoft Runtime Tools on the affected machine. I would like for you to give it a try, to see if it resolves the issue you are experiencing... Before you follow the steps below, please be sure to uninstall any previous version of the add-in that may be installed... Visit the following URL and Download / Install the 2010 Microsoft Runtime Tools. After you have completed the installation, please try to install the Excel Add-In once again. I hope this helps. Marked as spam
 Posted by jameslcoleman (Questions: 2, Answers: 300) Answered on September 7, 2018 9:06 pm
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