How to fix a “can’t move cache” error on Proton Mail Bridge

1 min
Common issues and questions

In this guide, we show you how to fix a Can’t move cache error on Proton Mail Bridge.

Can't move cache error

Why am I seeing this error?

To provide the best possible performance, Proton Mail Bridge downloads an encrypted copy of emails and related data to your computer. This encrypted copy is called a cache. You can change the location where the cache (your encrypted emails and associated data) is stored. 

To do this, open the Bridge app and go to Settings (gear icon) → Local cacheConfigureChange location and select your preferred location using your system’s default file manager. 

How to manually set your cache location

If moving your cache to the new location fails for any reason, you’ll see a Can’t move cache error. There are several possible causes for this, but the most common ones are:

  • You don’t have the correct write permissions for the selected location
  • There isn’t enough disk space on the selected location

How do I fix the issue?

To fix the problem, try selecting a different location for your cache, ensuring that it has sufficient storage space available. 

The cache plays a vital role in how Proton Mail Bridge operates and performs, so please avoid selecting a storage location on removable media such as USB sticks or portable SSD drives. 

If you need further assistance, please contact our customer support

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