# Touch Screen Problem **URL:** \ **Category:** Ignition\ **Tags:** ignition80\ **Created:** [July 27, 2020, 9:46pm UTC](https://forum.inductiveautomation.com/t/touch-screen-problem/37136 "2020-07-27T21:46:16Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\ **Post date:** [July 28, 2020, 1:14pm UTC](https://forum.inductiveautomation.com/t/touch-screen-problem/37136/7 "2020-07-28T13:14:05Z")
You absolutely need PLC code to handle lost releases for any momentary button. If you are using Perspective, I don't think there is a solid solution yet. If you are using Vision, you probably should start here: > [@Momentary Pushbutton latching ON](http://forum.inductiveautomation.com/t/momentary-pushbutton-latching-on/5373/41): > > Interesting. The failure to write when not checking is far more common that even I thought. You are still vulnerable to any of these, and to gateway-plc comms failure at the OPC level. For a more detailed (and heated) discussion, this old thread might be helpful: > [@Very Concerning Read/Write Issues. Important information for all users](http://forum.inductiveautomation.com/t/very-concerning-read-write-issues-important-information-for-all-users/18583): > > Hello Ignition Members, Disclaimer - All of our senior designers/programmers are qualified for their jobs where I work. These problems are described as I see them, they may not be exactly what happened. Therefor they are to be used for troubleshooting the issue only. Thank you. We are in contact with some ignition developers and are desperately trying to fix this problem. This is a GLOBAL problem therefore it won’t be affecting just us. It may be affecting anyone who is using ignition well. Ti… --- _[View the full topic](https://forum.inductiveautomation.com/t/touch-screen-problem/37136)._