Are you running the 32 or 64 bit Windows?
Initially for Webview2
- Uninstall Webview2
- Download the appropriate 64 bit (x64) or 32 bit (x86) versions of webview2 as per Facing problem in 21.3.94 version - #4 by Patch
- install this webiew2 software
- Does it display any errors? If so screen capture and post an image of the error window message
Then for Manager
- Uninstall Manager
- From https://www.manager.io/download/ download the appropriate 64 bit (Free download button) or 32 bit (alternative download link) versions of Manager
- Install this version of Manager
- Does it display any errors? If so screen capture and post an image of the error window message.
- Install the same version of Manager again and select “Repair installation”
Retest Manger. If it does not work
- Post a screen capture of a data entry window
- Post a screen shot of what happens when you try to enter data