Another application is running. Close it, and then start the camera (K800i problem)

[charming]

Hello Guys,

I found this community by searching above mentioned query over the internet. Its my first thread which i would like to discuss with you........

I have SEk800i phone. Phone is old though. Some days ago this error showed in my screen "another application is running. Close it, and then start the camera"

I don't know what to do as i have not much experience with Mobile Software category.

Here is some of my Phone details which i got from XS++.. Please solve this problem as soon as possible

12:50:57| Baseband ID: 9900
12:50:57| Protocol Version: 3.1
12:50:57| Phone name detected!
12:50:57| 
12:50:57| Profiling SEMC phone...
12:50:57| Platform: DB2020
12:50:57| OTP CID: 49
12:50:57| EROM CID: 52
12:50:57| EROM Color: Red
12:50:57| IMEI: 35170701xxxxxx
12:50:57| Phone ID: K800
12:50:57| Region: TEMS
12:50:57| CDA: CDA12345678/123   R2A
12:50:57| Firmware Version: R2B
12:50:57| EROM: R3A099
12:50:57| Ready for operation!
CID-52 

Thanks