[Eee Pad Transformer Themes and Apps] BrainB0ne:
I think here's the info you need from logcat :)

12-03 13:34:38.830 I/ActivityManager(166): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.gnufabio.revolver_parts_elite/.RevolverPartsActivity } from pid 290
12-03 13:34:38.870 I/ActivityManager(166): Start proc com.gnufabio.revolver_parts_elite for activity com.gnufabio.revolver_parts_elite/.RevolverPartsActivity: pid=28131 uid=10199 gids={3003, 1015}
12-03 13:34:39.610 I/ActivityManager(166): Displayed com.gnufabio.revolver_parts_elite/.RevolverPartsActivity: +751ms
12-03 13:34:43.610 D/REV-PARTS(28131): Is the host file already patched? true
12-03 13:34:48.150 E/su (28164): sudb - Opening database
12-03 13:34:48.150 E/su (28164): sudb - Database opened
12-03 13:34:48.160 E/su (28164): sudb - Database closed
12-03 13:34:48.160 D/su (28164): 10199 com.gnufabio.revolver_parts_elite executing 0 /system/bin/sh using shell /system/bin/sh : sh
12-03 13:34:48.170 I/ActivityManager(166): Start proc com.noshufou.android.su for broadcast com.noshufou.android.su/.SuResultReceiver: pid=28166 uid=10012 gids={3003, 1015}
12-03 13:34:48.210 I/ActivityThread(28166): Pub com.noshufou.android.su.provider: com.noshufou.android.su.provider.PermissionsProvider
12-03 13:34:48.230 D/REV-PARTS(28131): Stock
12-03 13:34:48.260 W/System.err(28131): java.io.FileNotFoundException: /etc/hosts (Permission denied)
12-03 13:34:48.260 W/System.err(28131):	at org.apache.harmony.luni.platform.OSFileSystem.open(Native Method)
12-03 13:34:48.260 W/System.err(28131):	at dalvik.system.BlockGuard$WrappedFileSystem.open(BlockGuard.java:239)
12-03 13:34:48.260 W/System.err(28131):	at java.io.FileOutputStream.<init>(FileOutputStream.java:101)
12-03 13:34:48.260 W/System.err(28131):	at java.io.FileOutputStream.<init>(FileOutputStream.java:142)
12-03 13:34:48.260 W/System.err(28131):	at java.io.FileOutputStream.<init>(FileOutputStream.java:135)
12-03 13:34:48.260 W/System.err(28131):	at com.gnufabio.revolver_parts_elite.util.Util$Files.moveFile(Util.java:89)
12-03 13:34:48.260 W/System.err(28131):	at com.gnufabio.revolver_parts_elite.util.AdsFilterTask.doInBackground(AdsFilterTask.java:74)
12-03 13:34:48.260 W/System.err(28131):	at com.gnufabio.revolver_parts_elite.util.AdsFilterTask.doInBackground(AdsFilterTask.java:1)
12-03 13:34:48.260 W/System.err(28131):	at android.os.AsyncTask$2.call(AsyncTask.java:252)
12-03 13:34:48.260 W/System.err(28131):	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
12-03 13:34:48.260 W/System.err(28131):	at java.util.concurrent.FutureTask.run(FutureTask.java:137)
12-03 13:34:48.260 W/System.err(28131):	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1081)
12-03 13:34:48.260 W/System.err(28131):	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:574)
12-03 13:34:48.260 W/System.err(28131):	at java.lang.Thread.run(Thread.java:1020)
12-03 13:34:48.300 E/su (28177): sudb - Opening database
12-03 13:34:48.300 E/su (28177): sudb - Database opened
12-03 13:34:48.300 E/su (28177): sudb - Database closed
12-03 13:34:48.300 D/su (28177): 10199 com.gnufabio.revolver_parts_elite executing 0 /system/bin/sh using shell /system/bin/sh : sh

After opening Revolver Parts the second time:

12-03 13:34:54.570 I/ActivityManager(166): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.gnufabio.revolver_parts_elite/.RevolverPartsActivity } from pid 290
12-03 13:34:55.220 I/ActivityManager(166): Displayed com.gnufabio.revolver_parts_elite/.RevolverPartsActivity: +599ms
12-03 13:34:56.630 D/REV-PARTS(28131): Is the host file already patched? true

I think here's the problem..

12-03 13:34:48.260 W/System.err(28131): java.io.FileNotFoundException: /etc/hosts (Permission denied)