You can configure the charts and lists that are exported along with the report at: Tools > Options > Export
Click the type of export you intend to do and uncheck all unwanted elements on the right.
For a file content search, the application uses the file handlers that are registered in Windows. The same technology is used by Windows Explorer, for instance (you could reproduce this issue in Windows Explorer as well). It is a known issue with Windows' preinstalled PDF file handler in combination with certain PDF files.
What you can do as a workaround is to install a different, third party file handler for PDF files, such as the one from Adobe.
In most cases, the reason for this is that Windows is not reporting the amount of hardlinks correctly.
In order to filter out files that were already deduplicated, TreeSize will ignore files that have more than one hard link. For files that are accessed via a network drive, however, there are cases where the amount of hard links is not returned correctly by the operating system, as stated in this article: https://knowledgebase.jam-software.com/7092
Since v8.1 there are two options to provide a default configuration:
You may use our MSI installer to deploy the software to all users.