Ever have this error – keyset does not exist?

Do this:

1. Start -> Run -> MMC
2. File -> Add/Remove Snapin
3. Add the Certificates Snap In
4. Select Computer Account, then hit next
5. Select Local Computer (the default), then click Finish
6. On the left panel from Console Root, navigate to Certificates (Local Computer) -> Personal -> Certificates
7. Your certificate will most likely be here.
8. Right click on your certificate -> All Tasks -> Manage Private Keys
9. Add your account with full access

Sorted.