When a PDF is created, the author should embed the fonts directly into the file. If they fail to do this, your PDF reader will search your local computer for the font. If your system lacks the font, the reader tries to substitute it, which often triggers the error.
You do not necessarily need to download a sketchy file online to fix this issue. Try these safe, reliable troubleshooting steps first: 1. Install the Adobe Acrobat Reader DC Font Pack
When a PDF is created, the author should embed the fonts directly into the file. If they fail to do this, your PDF reader will search your local computer for the font. If your system lacks the font, the reader tries to substitute it, which often triggers the error.
You do not necessarily need to download a sketchy file online to fix this issue. Try these safe, reliable troubleshooting steps first: 1. Install the Adobe Acrobat Reader DC Font Pack