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ImminentFate edited this page Oct 21, 2017 · 18 revisions

Important Information

This has gained a lot more traction than I thought it would, so there are a few things that need to be cleared up:

  • I compressed the folder but TreeSize/Spacesniffer still show it as taking up the full space? Why? - Those programs can only read the Folder's size, not the size taken on disk, because that is much harder to read. To see this information right click the folder and go to properties.

Limitations

  • This compression may not be permanent - it's a limitation of Windows itself, that the Xpress and LZX functions cannot be run live on new files that are added to the compressed folders. What this means is that over time, with updates to your games, you will experience compression decay; the folder will slowly but surely grow in size until it is back to its original size. You can somewhat get around this by first running Compact on any folder you choose, then run compact.exe /c /s on the folder afterwards which will mark it so that future files will get compressed

    • Note however that this will not use the Xpress algorithm, so the compression of new files won't quite be as significant, but it will avoid the folder decompressing entirely over time. This is still better than using the default NTFS compression in Windows ("compress this folder to save space")

  • Some games don't like this compression - Guild Wars 2 is an example, it compresses down massively, but as soon as you run the game it will hang as it uncompresses the entire game again before it lets you play it.

  • Copying files to other systems or syncing to online services will not be compressed - According to two users' test results, this means that you can safely use this on OneDrive and Google Drive folders, as only the local variant will be compressed. If you copy the files to another drive or computer, they will be decompressed. However If you're compressing files on an external drive, note that those files will only be able to be read on a Windows 10 PC until they're uncompressed again.

  • Works on Windows 10 Only - The features used in this program were only introduced in Windows 10. Earlier OSes will not be able to run this program.

Localization Issues #40

The program was designed in English and parses Windows for strings it expects to find in English. If you use another language on your system you will likely have bugs. Note that most of these bugs are purely visual, however some are functional.

  • Stuck at Compressing, please wait... - This is a purely visual glitch, and the actual compression will complete just fine, you just won't be able to see the results bars. Click on "Show Detailed Progress" instead. This is the most common language-related issue.

    • Most people get stuck when the text is at 100%, some people will get stuck at 0%, but the compression will still finish. You may get a warning when you try to close the program, but check the detailed progress to see if it's actually finished, and then you can safely close it.

  • The program compresses its own folder instead of the selected one - This occurs when the selected folder contains characters that make the windows cd function fail, which means the target folder never gets set. This will result in the program trying to compress the folder that it is in instead. Confirmed to happen with folders in Polish.

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