Now you’ve seen the causes of the problem, lets share possible fixes to PDF Preview Handler Error. In this case, registry has to be scanned and then fix all registry errors found. Registry problems can give birth to countless of errors on your PC, and PDF Preview Handler error is among such errors you can receive when the registry is corrupt.
This scenario happens when previewing PDF files in outlook and in this situation Adobe preferences have to be changed to become your Global PDF handler. When the default PDF viewer isn’t set as the default app for PDF handler, and at the same time PDF thumbnail preview isn’t enabled, this error will likely appear. Adobe Reader isn’t set as default PDF Handler.If this is the case, you can quickly fix the problem by accepting EULA in Adobe Reader. Adobe EULA must be accepted before you can preview files externally. A lot of the time users have reported to fix the problem by disabling auto detect settings from LAN settings.Īnother cause of the error is when there is new Adobe reader installation which has never been opened before. There is a setting called internet auto detects and when it’s enabled, it can lead to this PDF Preview Handler error. Troubleshoot Outlook PDF Preview Handler What Are The Causes Of Adobe PDF Preview Handler Error? How to fix “PDF Preview Handler Error: This File Cannot Be Previewed Because Of An Error”.What Are The Causes Of Adobe PDF Preview Handler Error?.Troubleshoot Outlook PDF Preview Handler.