Product Firefox Release Channel beta Version 49.0b9 Build ID 20160901141622 OS Windows 7 OS Version 6.1.7600 Note: Firefox 50 is available. ------------------------ Signature: chtbrkg.dll@0x242ec chtbrkg.dll = Internet Download Manager integration = Adware This is for Sumo's Related Bugs 1290403 NEW --- Crash in chtbrkg.dll@0x2e1f0 ------------- You may have ad / mal-ware. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.