Looking at forums appears im not the only one having the issue. I noticed it started yesterday right after the old school update. I have had Swiftkit installed for several years, and it worked fine till then.

 

[2/25/2013 3:58:17 PM] Starting up...

[2/25/2013 3:58:17 PM] Starting up...launcher version is 1.65.23

[2/25/2013 3:58:17 PM] App data folder path is C:\ProgramData\SwiftKit

[2/25/2013 3:58:17 PM] Checking folder structure

[2/25/2013 3:58:17 PM] Attempt to set browser emulation

[2/25/2013 3:58:17 PM] Check if drive is NTFS

[2/25/2013 3:58:17 PM] Starting cleanup

[2/25/2013 3:58:17 PM] Variables set

[2/25/2013 3:58:17 PM] Delete all temp files

[2/25/2013 3:58:17 PM] Delete all temp folders

[2/25/2013 3:58:17 PM] exiting cleanup temp data

[2/25/2013 3:58:17 PM] Finished cleaning up temp data

[2/25/2013 3:58:17 PM] Initialize finished

[2/25/2013 3:58:20 PM] Launch button was pressed

[2/25/2013 3:58:20 PM] Get a setting from somewhere

[2/25/2013 3:58:20 PM] Connecting

[2/25/2013 3:58:20 PM] Update server responded, download update file

[2/25/2013 3:58:20 PM] Got our update file, now decode it

[2/25/2013 3:58:20 PM] Update file decoded, now read it...

[2/25/2013 3:58:20 PM] Check versions

[2/25/2013 3:58:20 PM] Checking file - SwiftKit(Install)[Caution: Executable File]

[2/25/2013 3:58:20 PM] Checking file - SwiftKit[Caution: Executable File]

[2/25/2013 3:58:20 PM] Checking file - ExePatcher[Caution: Executable File]

[2/25/2013 3:58:20 PM] Checking file - LaVolpeAlphaImg.ocx

[2/25/2013 3:58:20 PM] Checking file - SwiftKit-RS[Caution: Executable File]

[2/25/2013 3:59:00 PM] CRITICAL ERROR YO

[2/25/2013 3:59:00 PM] 9 - Subscript out of range

I would try deleting SwiftKit-rs[Caution: Executable File] from your install folder. This will force an update of it, with a bit of luck it will have resolved it.

Thanks that did the trick