"I just installed the new update for iTunes last night, and after it finished downloading, I was unable to access iTunes at all. It popped up with iTunes error 7 windows error 127 and said that the entry point could not be found in iTunes. I can't figure out how to fix it." -Apple Discussions
This iTunes error 7 Windows error 127 problem can be quite familiar with Windows iTunes users, but most of them don't know how to fix. In this article we will introduce you the most useful three ways to repair iTunes error 7 Windows error 127/126/193, etc.
Note: When iTunes is damaged, the backup in it is likely becomes unavailable. You can back up your iPhone data with iCareFone to avoid such unpleasant situation.
Install this iTunes error repair tool to your PC and connect your iOS device to computer via USB cable.
Firstly I suggest you click "Fix iTunes Sync Problems", TunesCare will start to repair the corrupted iTunes library automatically.
Suppose repairing the iTunes library did not fix the problem, you can try the advanced mode by clicking "Fix All iTunes Issues". This way is an advanced mode to fix all iTunes issues thoroughly by removing corrupted library and then rebuilding iTunes.
Method 2: Update Microsoft NET Framework
Sometimes iTunes error 7 occurs as a result of framework, you can get this error fixed by install the latest version of Microsoft NET framework.
Step 1: Go to Microsoft to find the latest version of framework.
Step 2: Download and install the latest version of Microsoft NET Framework on your computer.
Step 3: After installation, restart your computer and have another try.
Method 3: Uninstall iTunes and Reinstall
To correct error 7 by this way, you need to uninstall all the tools which are related to the Apple before repairing process.
Step 1: Go to the Add/Remove Programs option from the control panel and select and remove one by one all of the Apple relate product.
Tip: Don't forget to restart computer after every uninstallation. Run antivirus software during the process to keep windows in a stable condition.
Step 2: After you uninstalled all the software from the control panel, Go to My Computer > C: Drive > Programs.
Step 3: Check the folders given below and delete them.