Please post a screenshot showing the configuration (preferences), PuTTY error message and Task Manager on the Details tab with Command line column for the Pageant visible.
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Bug reports without an attached log file are usually useless.
"C:\Program Files (x86)\PuTTY\pageant.exe" C:\Users\my.user\.ssh\id_rsa.ppk -c "C:\Program Files (x86)\SuperPutty\SuperPutty.exe" !U@!@