PDFFolderMonitor Files

### Instructions
#   A script to monitor a folder for new/changed PDF files and then encrypt them. 
#   Useful for scanned PDF files.
#   CPDF is used by this script. Free for non-commercial use at: from: https://community.coherentpdf.com/
#   Before first run, set all the variables in the user variables block below
#   If the credential file can't be found (or it's the first time the script is run then user will be prompted for password which is encrypted and saved to disk
#   Run the script interactively to check it works then add this script to task scheduler if you want it to run automatically.
#   To execute script, the following command is suggested: powershell -WindowStyle Hidden -NoExit -ExecutionPolicy ByPass -File "PDFFolderMonitor.ps1"
#   noexit flag is required to keep running the script in the background
#   Execution policy is required as the script is not signed
#   Windowstyle flag avoids a popup window
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