hello,
first of all make sure you back up the "wallet.dat" file. that is the most important one. Then get the right wallet here
Windows Karma-QT
http://karmashare.me/wallets/karmacoin-qt-windows-0.8.6.2.4b.zipMac Karma-QT
http://karmacoin.info/downloads/karmacoin-qt-0.8.6.2.4.pkgLinux Karma-QT
http://karmacoin.info/downloads/karmacoin-0.8.6.2.4-amd64.debagain. before you do anything. Make a copy of the wallet.dat in your /roaming/karmacoin/ folder.
then delete everything except your wallet.dat
install the new wallet qt.
if you get the same error then this means that your antivirus is picking up the libgcc_s_dw2-1.dll file as harmful. it shouldn't. you should momentary turn off the antivirus and re-zip the wallet zip file and run the qt
let me know if that helped.
also for faster help post at the [ann] post here
https://bitcointalk.org/index.php?topic=447657.0 and also
www.reddit.com/r/karmacoinlastly make sure you check
www.karmashares.com and buy in companies share : ) (please make sure you read all the FAQ first. and then ask 1000 questions before you rush to invest)