https://community.qlik.com/t5/Talend-Studio/System-Freeze-and-Null-files/m-p/2333874#M102612 <P>It is always recommended to keep a backup of your jobs before executing (I always do that).</P><P>Also, if you are using a subscription version of Talend you could integrate your entire project to SVN / GIT / Nexus repository.</P><P>&nbsp;</P><P>Hope this helps!</P> Sun, 24 Feb 2019 12:04:20 GMT dipanjan93 2019-02-24T12:04:20Z https://community.qlik.com/t5/Talend-Studio/System-Freeze-and-Null-files/m-p/2333873#M102611 <P>Today my system (windows 10) froze and the job that I was working on disappeared after restarting.&nbsp; I attempted to follow&nbsp;<A href="/s/feed/0D73p000004kKnMCAU#M41522&nbsp;" target="_blank" rel="noopener">https://community.talend.com/t5/Design-and-Development/resolved-My-jobs-have-disappeared/m-p/81420#M41522</A> However, I had no luck. After going into the "process" folder files, I discovered that all of the data had been overwritten with nulls. Since I had only been working on this crazy complex beast for a day, I had no backup of it yet.&nbsp; &nbsp; Looks like I will be exporting my jobs mulitple times throughout the day so this doesn't happen again.&nbsp; &nbsp; Just thought I would share my experience.&nbsp;&nbsp;</P> Thu, 21 Feb 2019 20:05:08 GMT https://community.qlik.com/t5/Talend-Studio/System-Freeze-and-Null-files/m-p/2333873#M102611 Anonymous 2019-02-21T20:05:08Z https://community.qlik.com/t5/Talend-Studio/System-Freeze-and-Null-files/m-p/2333874#M102612 <P>It is always recommended to keep a backup of your jobs before executing (I always do that).</P><P>Also, if you are using a subscription version of Talend you could integrate your entire project to SVN / GIT / Nexus repository.</P><P>&nbsp;</P><P>Hope this helps!</P> Sun, 24 Feb 2019 12:04:20 GMT https://community.qlik.com/t5/Talend-Studio/System-Freeze-and-Null-files/m-p/2333874#M102612 dipanjan93 2019-02-24T12:04:20Z