Application crashes after installing "feature update to windows 10 - Microsoft Community

my application running fine started crashing after receiving following updates:

• feature update windows 10 version 1703
• kb4020821

with system.accessviolationexception.

is there issue either of above mentioned updates can lead such outcome?

is there patch on way resolve same?

sounds issue update itself. corrupted. since happening on windows 10 apps. try running windows app troubleshooter check if helps: https://support.microsoft.com/en-us/instantanswers/69e76f90-d54c-44cf-9851-c2d1542790db/run-the-troubleshooter-for-windows-apps

or ultimately, remove pesky update perform restore go restore point before update implemented. read restore system restore point on article: https://support.microsoft.com/en-us/help/12415/windows-10-recovery-options

Windows / Windows 10 / Windows update, recovery, & backup / PC