- Resolving Basic Browser Issues
- Browser Support Policy
- Installing Bookshelf on Android Devices (without Google Play)
- Bookshelf Support for macOS, iOS, and iPad OS betas
- You have Reached your Machine Activation Limit
- Why have I not received my Email Verification email?
- The Videos Will Not Play in My eTextBook(s)
- What to do if you are missing an eBook
- Configuring Your Firewall For Use With VitalSource
- My book is reading in a different language or with a strange accent and not English.
- View All Articles
Bookshelf for PC - Invalid Signature or Corrupt Installer Error Message
If you have tried to install Bookshelf on a Windows 7, 8, or 10 system and have received an Invalid Signature or Corrupt Installer error, please follow these steps to install Bookshelf on your PC.
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Download Bookshelf for Windows
Click on the Download button.