“Can’t Verify The Signature” Install Error In Office 2013 or Office 365 Home

Can’t Verify The Signature: To fix this Can’t verify the signature error, try the following methods.

Method 1: Try a wired connection

If you’re using a wireless connection, try connecting your computer through a network cable instead. This may also speed up the download and install process.

Method 2: Clear temporary Internet files

To clear temporary Internet files on Internet Explorer automatically, run fix it.

Windows 10

1. Press the Windows logo key + X to see a list of commands and options. (Basically, a quick way to get to Programs and Features in Control Panel.)
2. Click Programs and Features.
3. Click the Office program you want to repair, and then click Change.
4. Do one of the following:

• In-Office 2010, click Repair > Continue.
• In-Office 2013, click  Quick Repair.

Windows 8

1. Press the Windows logo key + X to see a list of commands and options. (Basically, a quick way to get to Programs and Features in Control Panel.)
2. Click Programs and Features.
3. Click the Office program you want to repair, and then click Change.
4. Do one of the following:

• In-Office 2010, click Repair > Continue.
• In-Office 2013, click  Quick Repair.

Windows 7

1. Click Start > Control Panel > Programs > Programs and Features.
2. Click the Office program you want to repair, and then click Change.
3. Do one of the following:

• In-Office 2010, click Repair > Continue.
• In-Office 2013, click  Quick Repair.

You might need to restart your computer after the repair is complete.

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