Search notes:

C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys

Apparently, containers created with sn.exe are created below this directory.

Failed to generate a strong name key pair -- Access is denied.

The sn.exe error message Failed to generate a strong name key pair -- Access is denied. might be caused by a user with to little access rights on this folder.
The required access rights can be granted as admin with (Rene being the username):
cacls.exe “%ALLUSERSPROFILE%\Application Data\Microsoft\Crypto\RSA\MachineKeys” /E /G Rene:F

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Windows/...', 1758206760, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Windows/dirs/ProgramData/Microsoft/Crypto/RSA/MachineKeys/index(40): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78