Inlevitable

The problem I had before was Tekkit Classic wanting to "update", but could not unzip some files or something like that. I have seen other have also got this problem, but it worked fine before. Upon inspecting internal files, I had found that there were no mods in the mod folder, only some core things I believe. I decided to delete all folders linked to the Technic Launcher, and the launcher itself so that I could start from scratch with no problems. However, after re-downloading the launcher, I can't open it. Double-clicking does nothing. Right-clicking then clicking Open... does nothing. I just wanted to play Tekkit Classic.