Before installing this update read kb4340846 the remote desktop services activex control mstscax dll does not match the version of the client shell.
The remote desktop services activex control mstscax dll windows 10 2018.
I n the list of results right click command prompt and then click run as administrator.
Click security tab advanced.
This issue might occur if the mstscax dll is not registered or missing.
Another batch of fixes is rolling out to windows 10 april 2018 update pcs via windows update.
The remote desktop services activex control mstscax dll does not match the version of the client shell.
The current control s width in pixels on the initial remote desktop.
After update kb 4284835 is installed the issue occurs because update kb 4284835 updates.
Go to the system32 folder find the mstscax dll right click on it go to properties go to previous version wait for it to finish the search if you see one then this is going to replace the existing one.
You have to take ownership of c windows system32 mstscax dll and grant full control to administrators.
Tech after image installs windows 10 remotedesktopfix.
On a windows 10 version 1803 based computer say you replaced mstsc exe and mstscax dll with files from windows 10 version 1709.
In the search box type command prompt.
However before you can paste these into c windows system32.
You may try to follow the steps below to re register the dll file.
The text that appears centered in the control before a connection is terminated.
Somehow a different version of this mstscax dll is now resident in the system32 folder.
Right click on the file and choose properties.
Addresses an issue that causes a connection failure when a remote desktop connection doesn t read the bypass list for a proxy that has multiple entries.
Press the windows button.
But before you can do that you must take ownership of the mstscax dll file that s not working in order.