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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


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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