I think I didn't notice the word 'delete' from your words, my mistake. Finally I deleted that folder and the problem was disappeared. Happy day! I appreciate your business and kindness.
There is the directory _ISSDT_ in my C: drive. As you mentioned, it was hidden and I made it visible.Then I installed SSD Toolbox version 3.18 and performed Optimizer but, sadly, I had the same error message, SSD Optimizer error (100).
Thank you for your prompt reply. I uninstalled 3.18 version Toolbox and installed 3.16 one.However, I got the same error message, SSD Optimizer error (100).I bought this SSD on April 9, 2013 and there was no such error like this at that time.Please t...
I've got very same problem too. I couldn't solve this one. SSD 320 Series 40GB. Windows 7, 64bit. 17.5GB free of 37.2GB. NTFS. SSD Toolbox (v3.1.8) Please let me know how to install an older version of SSD Toolbox.