There are 5 unique invalid page table formats. The invalid page table entry can be for:
A demand zero page - This type of entry would be built for uninitialized data, which is at least one page in size.
A global page - This type of entry would be built when running an image that is INSTALLed with the /SHARE qualifier or when the program has been linked against a shareable image which is also INSTALLed /SHARE.
A transition page - This type of entry would be a page that is on the free or modified page list.
A page in the page file - This type of entry would be a page found in PAGEFILE.SYS.
A page that can be located through the section table entry - Type type of entry would be used to allow the reading of a set of code or data pages from the image file. It can be either global or process private.