Windows Compatible
Important Notice
Error Tool Features
Repairing Errors
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File Extension SIS

How To Open SIS Files

Causes of .SIS File Errors
Missing software and file drivers is often a leading cause of SIS file problems. It is highly recommended that you scan your PC using the SIS File Repair Tool. It will analyze your files and make sure you have the necessary file openers.
Common Symptoms
SIS file error symptoms can include the inability to open SIS files, program lock-ups, crashes, slow PC performance, startup and shut down problems, and installation errors.
Fixing the Problem
To ensure SIS files can be opened and read by your computer, download and run the SIS File Repair Tool. Simply click the button below to download the software.
Download SIS File Repair Tool Download SIS File Repair Tool  (591 KB)
SIS File Extension
File extension .SIS
Instructions
STEP 1:
Download & Run Reimage.

STEP 2:
Click 'Scan' to analyze your files.

STEP 3:
Click 'Repair' and you're done!

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Designed for Windows 10, 8, 7, Vista & XP
  7 Comments on "How to Fix .SIS Files"

Flyguy says: Topic: Support
Thanks, it worked!

termin8 says: Topic: Support
amazing, a SIS file fix that works

JILLIAN says: Topic: Support
wow! the scan picked up lots of errors

DaBossman says: Topic: Support
Dude, you don't know how many things I tried to fix this until I found this.

Cat_Lover says: Topic: Support
I'm so happy. My computer works GREAT now!\!!

Rustang says: Topic: Support
now I don't need to buy a new computer LOL

TimeTraveller1969 says: Topic: Support
thank you mr. website!

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Designed for Windows 10, 8, 7, Vista & XP