https://community.qlik.com/t5/App-Development/QLIK-I-O-Error-filename/m-p/1875492#M72183 <P>Hi <a href="https://community.qlik.com/t5/user/viewprofilepage/user-id/147781">@coco</a>, yes that's true. You can find here a full article about&nbsp;<A href="https://community.qlik.com/t5/Knowledge/Applications-fail-to-reload-with-Error-Error-I-O-error-filename/ta-p/1711099" target="_blank">Applications fail to reload with Error: Error: I/O error (filename)&nbsp;</A></P> Tue, 28 Dec 2021 10:46:16 GMT Andrea_Spinetti 2021-12-28T10:46:16Z https://community.qlik.com/t5/App-Development/QLIK-I-O-Error-filename/m-p/1864392#M71350 <P>An app report I/O error in QMC.As it shows below.Could someone tell me how to solve this problem?</P> <P>Some people say that it is necessary to add the qlik access path to the antivirus exception.Is that true?</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IO error.png" style="width: 563px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/67548i615CCBD8F118BEA1/image-size/large?v=v2&amp;px=999" role="button" title="IO error.png" alt="IO error.png" /></span></P> Mon, 29 Nov 2021 11:59:49 GMT https://community.qlik.com/t5/App-Development/QLIK-I-O-Error-filename/m-p/1864392#M71350 coco 2021-11-29T11:59:49Z https://community.qlik.com/t5/App-Development/QLIK-I-O-Error-filename/m-p/1875492#M72183 <P>Hi <a href="https://community.qlik.com/t5/user/viewprofilepage/user-id/147781">@coco</a>, yes that's true. You can find here a full article about&nbsp;<A href="https://community.qlik.com/t5/Knowledge/Applications-fail-to-reload-with-Error-Error-I-O-error-filename/ta-p/1711099" target="_blank">Applications fail to reload with Error: Error: I/O error (filename)&nbsp;</A></P> Tue, 28 Dec 2021 10:46:16 GMT https://community.qlik.com/t5/App-Development/QLIK-I-O-Error-filename/m-p/1875492#M72183 Andrea_Spinetti 2021-12-28T10:46:16Z