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Inno Setup is published by Inno. You can find out more about Inno Setup at its official website or at Inno's website.
Inno Setup may store excess, temporary data on your computer that can take up valuable space. It may also store private data such as passwords or browsing history in the registry or on the file system. The easiest way to erase this data is by downloading AppCleaner, it is 100% free and about 1MB in size. A portable version is also available.
Clean Inno Setup
with AppCleaner
If you want to clean Inno Setup manually, you can follow the steps outlined below. Inno Setup stores private data in one registry key.
To clean the registry from data stored by Inno Setup, you can use the Microsoft Registry Editor (regedit.exe) which is installed by default on all Windows operating systems. First of all, open regedit.exe by carrying out these steps:
Now use regedit.exe to delete the registry key: