DirectX will not install because cryptographic services are enabled and file certificate is valid

Hi,

1. Are you facing any issues while trying to play any game? Which games are they?
2. Were you able to play those games earlier?

Follow the methods listed below:
 
Method 1:
1.    Click “Start” > “Run”
2.    Type “services.msc” and hit “Enter”.
3.    Right-click “Cryptographic Services” and click “Restart”.
4.    Double-click “Cryptographic Services”.
5.    Under “Startup”, select “Manual”.
6.     Click “Start” to start the service.
7.    Click “Apply” and “OK”.
 
Try installing DirectX and see if the issue gets fixed.
 
Method 2:
Follow these steps:
1. Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

If you are prompted for an administrator password or confirmation, type your password or click Continue
 
2.    Type the following commands individually and hit “Enter” in the command prompt window:
 
regsvr32 softpub.dll
regsvr32 Wintrust.dll
regsvr32 Dssenh.dll
regsvr32 Rsaenh.dll
regsvr32 Mssip32.dll
regsvr32 Cryptdlg.dll
 
3.    Click “OK” when you receive the message “DllRegisterServer in xxxxx.dll succeeded.”