# Cannot install Megasync

**URL:** <https://forum.endeavouros.com/t/cannot-install-megasync/32313>\
**Category:** Newbie\
**Created:** [September 30, 2022, 1:59pm UTC](https://forum.endeavouros.com/t/cannot-install-megasync/32313 "2022-09-30T13:59:56Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dalto](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/dalto/32/5577_2.png) [@dalto](https://forum.endeavouros.com/u/dalto)\
**Post date:** [September 30, 2022, 2:07pm UTC](https://forum.endeavouros.com/t/cannot-install-megasync/32313/4 "2022-09-30T14:07:26Z")

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Follow this guide on how to fix that:

> [@\[FAQ\] Issues with “signature is marginal trust”, "signature is unknown trust", or “invalid or corrupted package”](https://forum.endeavouros.com/t/faq-issues-with-signature-is-marginal-trust-signature-is-unknown-trust-or-invalid-or-corrupted-package/6756):
>
> If you’re getting an error similar to “Can’t update: signature from \*\*\* is marginal trust” or “invalid or corrupted package” you probably just need to update your package signing keys: sudo pacman -Sy archlinux-keyring endeavouros-keyring sudo pacman -Syu Also make sure your system clock is correct! Of course, it’s also possible that the package file actually is corrupt. Remove it from /var/cache/pacman/pkg/ so pacman will download it again. If no package file is explicitly mentioned then yo…

Alternatively, if you download the file and then install it you might not receive that error.

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