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Because of a problem (created by me) in Office, I had to reinstall Office 2013.
I don’t know why, but I managed to broke the reinstall process.

The error message was: We can’t verify the signature of files required to install Office product


 The logical step was: troubleshooting.

  1. Download a new Office copy from my Office 365 account. – I got the same error.

  2. I’ve cleaned the Temp folder, followed by a system restart. – I got the same error

  3. I’ve used CCleaner to clear the remainings from the registry. – I got the same error

When I was about to give up and install Office 2010, I remembered that the installation is done from the Cloud.
Then I went to step 4 – clear Internet Explorer’s cookies and cache:

  • Internet Explorer: Tools – Internet ExplorerDelete – check Cookies and Temporary Internet Files

Now, Office was able to reinstall successfully


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Cosmin Tătaru

Pasionat de blogging și tehnologie încă din 2009, Cosmin este aici să vă ajute să vă creșteți vânzările și productivitatea punând tehnologia la treabă pentru dumneavoastră.

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