Program crashed and I cannot load project anymore 
Autore: Jarkko S.
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Hi
I am using Website X5 v.13 professional.
Program suddently crashed and I am not able to use backup copeis either.
I got an error message:
"An error occurred while loading the Project. [Error in XML-document (0, 0).]."
I tought these automatic backup copies would be enought, I havent made any dublicate copy of the project and I have used 15 hours for this website.
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Autore
When I go to Backup List and try to upload backup by pressing "Redo", I got error message: An error occurred while restoring the Backup copy".
This is very unfortunately thing to happen.
Autore
Same kind of thing has happened for me before about an year ago with another project https://helpcenter.websitex5.com/it/post/168410
Jarkko, is there any chance you have an exported project (iwzip)?
Was this the same project? If so it may save you some work???
https://helpcenter.websitex5.com/it/post/189458
Sadly I am not aware of anyone recovering from Error in XML-document (0, 0), it normally means an XML file that does not get backed up has been zapped to zero length.
Autore
No I have not exported the project unfortunately, and ofcourse this thing happened now. It looks like program can crash at any time and I cannot trust backup copies. This is not same project or same work or same template than year ago.
Autore
I am not sure how is topic https://helpcenter.websitex5.com/it/post/189458 related to this problem what I have now. My computer can run Blender and other programs which needs lots of processing power, but Website X5 v.13 has become very slow when I add or edit text files.
Jarkko, you have my sympathies.
There are many posts here recommending that users not rely on backups and regularly go to step5 export, export project to create an iwzip. This creates a true backup which can be transferred and imported even on a different PC with all content intact. I create a new one at the end of every "session". Since you are using an older version, you would need to rename each iwzip using windows explorer to keep multiple versions (perhaps add date to file name?). In v16 and later each iwzip can be renamed at time of creation.
It is strange that you are still experiencing slow performance (usually the harbinger of impending catastrophe). I have many websites to maintain and seldom experience this issue (except immediately after upgrading a project from an earlier version). On 2 occasions in the past few years I have found that running chksdk c:/r from an admin cmd prompt has solved my problem (even though I run an SSD).