TortoiseSVN The coolest Interface to (Sub)Version Control

You may find that not all of these icons are used on your system. This is because the number of overlays allowed by Windows is limited to 15. Windows uses 4 of those, and the remaining 11 can be used by other applications. If you are also using TortoiseCVS, then there are not enough overlay slots available, so TortoiseSVN tries to be a "Good Citizen (TM)"? and limits its use of overlays to give other apps a chance.

• Normal, Modified and Conflicted are always loaded and visible.
• Deleted is loaded if possible, but falls back to Modified if there are not enough slots.
• ReadOnly is loaded if possible, but falls back to Normal if there are not enough slots.
• Locked is only loaded if there are less than 13 overlays already loaded. It falls back to Normal if there are not enough slots.
• Added is only loaded if there are less than 14 overlays already loaded. It falls back to Modified if there are not enough slots.

If you like to see all of the TortoiseSVN icons, you have to manually remove one of the other icon overlay handlers. This can be done by editing the registry. Use at your own risk!
You can to delete one of TortoiseCVSes entries at: HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellIconOverlayIdentifiers